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what maximum speed can the car have without flying off the road at the top of the hill?

A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circular arc of radius 250 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?

asked by Petros on March 30, 2011
Physics/Math
A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 110 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the

asked by COFFEE on February 12, 2007
physics
In the figure below, a stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 240 m. What is the greatest speed at which he can drive without the car leaving the road

asked by Sam on July 15, 2010
Physics/Math
A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 110 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the

asked by COFFEE on February 12, 2007
physics
A 100 kg car is traveling at 20m/s over the top of a circular hill as shown below. The radius of the circle is 200 m. What force does the ground exert on the car at the top of the hill? After reaching the top of the hill, the car descends a vertical

asked by mable on December 12, 2016

physic
A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as shown. At the top of the hill, the car has a speed of 8 m/s. What is the force of the track on the car at the top of the hill?

asked by yusra on April 18, 2010
physics hw
A 300. kg roller coaster car is traveling at a constant speed of 15 m/s over a hill with a radius of curvature of 30. m. b. What is the normal force acting on the car at the top of the hill? c. Assume that the car is at the intersection of the radius and

asked by robert on May 1, 2011
physics
A roller-coaster car has a mass of 1100 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 20 m, its speed is not changing. (a) At the top of the hill, what is the normal force (using the negative sign for the

asked by physics on March 9, 2013
Science
A car speeds over the top of a hill. If the radius of curvature of the hill at the top is 14.27 m, how fast can the car be traveling and maintain constant contact with the ground?

asked by John on November 26, 2012
physics
a 1000kg car goes over the top of a hill with a radius curvature equal to 40.0m. At the top of the hill the normal force is 2,500 N. How fast is the car going?

asked by Anonymous on October 19, 2012
Physics
A car is traveling over the top of a hill, which we will model to be a piece of a circular arc of radius R. For each case below, draw careful to-scale motion maps and use them to construct the velocity vectors at the following three points: the top of the

asked by Sonya on September 19, 2009
physics
A 960 kg sports car crosses the rounded top of a hill with a radius of 52 m. Calculate a) the force the car exerts on the road at the highest point of the hill. The speed of the car is 70 km/h.

asked by pujesh on January 24, 2016
physics
A 500kg roller coaster starts from rest at points 35m above the ground level. The car drives down into a valley 4m above the ground and then climbs the top of a hill that is 24m above the ground level. What is the velocity of the car in the valley and at

asked by cesa on December 2, 2014
Physics
A roller-coaster car has a mass of 1170 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 16 m, its speed is not changing. (a) What are the magnitude and direction of the force of the track on the car at the

asked by joann on October 28, 2009
Physics
A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power?

asked by Kristan on October 27, 2010

Physics
A car (mass 980 kg) drives up a hill (height 335 m) in 146 seconds. At the bottom of the hill, it has a speed of 23 m/s, but at the top, it has slowed down to 11 m/s. Neglecting friction, what is the average engine power?

asked by Layla on October 31, 2010
Physics HELP!!!
A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power

asked by Molly on October 31, 2010
Physics HELP!!!
A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power

asked by Molly on October 31, 2010
physics
5.A car approaches the top of a hill that is shaped like a vertical circle with a radius of 55.5 m. What is the fastest speed that the car can go over the hill without losing contact with the ground?

asked by jimmyjonas on February 22, 2011
physics
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 58.2 m. What is the fastest speed that the car can go over the hill without losing contact with the ground?

asked by Anonymous on March 23, 2010
Physics
a car goes over a circular hill of 50m radius at a constant speed of 20m/sec . What is the force of the car on the 600N driver at the top of the hill.?

asked by Anonymous on March 21, 2015
Physics
a car goes over a circular hill of 50m radius at a constant speed of 20m/sec . What is the force of the car on the 600N driver at the top of the hill.?

asked by Anonymous on March 22, 2015
physics
if a car drives over a hill with a radius of 57 meters. At what maximum speed can the car travel without flying off the road

asked by Wendy on April 28, 2011
physics:energy
A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power? I tried using 1/2mv^2 and it

asked by Ashley on October 31, 2010
Physics
Consider a road over a hill where the top is shaped like a circular bump. This circular arc has its center in the hill below. As a 1200 kg car rounds the top of a hill at a speed of 20.0 m/s, it very breifly loses contact with the pavement. What is the

asked by S on October 24, 2015

PHYSICS
An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground level.

asked by Patricia on June 6, 2012
physics

  1. An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground

asked by Jamie on June 8, 2011
physics
What is the maximum speed a car can travel over the top of a hill of radius 22 m before flying off the hill?

asked by Brenna on December 3, 2017
Physics
A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill? If the car rolls down the hill, what will its speed be if we neglect friction? plz help? confused

asked by James on January 17, 2008
Physics
A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill? If the car rolls down the hill, what will its speed be if we neglect friction? plz help? confused

asked by James on January 17, 2008
Physics
A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill? If the car rolls down the hill, what will its speed be if we neglect friction? plz help? confused

asked by James on January 17, 2008
Physics
At the beginning of a roller coaster ride the car is staionary at the top of a 30m high hill and then begins to fall. Neglect any resistive forces. Calculate the speed of the car when it reaches the top of the second hill on the roller coaster. The second

asked by Maddi on August 20, 2016
Physics
A car drives up a straight hill at a constant speed of 60 kilometers per hour. A truck drives over the crest of the hill at a constant speed of 60 miles per hour. What is the net force on the car and on the truck? 1. both not zero 2. not zero; zero 3. both

asked by Mathew on October 13, 2011
PHYSICS
1.Suppose you wish to whirl a pail full of water in a vertical circle without spilling any of its contents. If your arm is 0.99 m long (from shoulder to fist) and the distance from the handle to the surface of the water is 20.5 cm, what minimum speed is

asked by mike on October 7, 2010
physics
the occupants of a car traveling at 25.7 m/s become weightless for an instant when traveling over the top of a hill. Calculate the radius of curvature of hill

asked by Jason on November 20, 2011

physics 12U
A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of

asked by emma on February 21, 2016
Physics
A car on a roller coaster has a mass of 9528 kg. The car is dragged up the main hill at an angle of 38 degrees ( above horizontal) for a distance of 182 m to the top of the first hill. What work was done to the car ?

asked by scott on November 17, 2009
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.1 m. Neglect friction and air resistance. What must be the height

asked by susan on October 18, 2012
Physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.3 m. Neglect friction and air resistance. What must be the height

asked by Candy on February 29, 2012
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 39.6 m. Neglect friction and air resistance. What must be the height

asked by Anonymous on April 15, 2013
Physics
A car of mass 1490 kg traveling at 22 m/s is at the foot of a hill that rises 115 m in 3.2 km. At the top of the hill, the speed of the car is 12 m/s. Find the average power delivered by the car’s engine, neglecting any frictional losses.

asked by Jennifer on March 5, 2015
physics

  1. A car of mass 1540 kg traveling at 28 m/s is at the foot of a hill that rises 125 m in 3.6 km. At the top of the hill, the speed of the car is 8 m/s. Find the average power delivered by the car’s engine, neglecting any frictional losses.

asked by rizzo on October 5, 2010
physics
A car of mass 1410 kg traveling at 26 m/s is at the foot of a hill that rises 115 m in 4 km. At the top of the hill, the speed of the car is 14 m/s. Find the average power delivered by the car’s engine, neglecting any frictional losses.

asked by Rodrigo on October 4, 2012
Physics
A skier starts at rest on the top of Mt Circular, a strange, smooth, icy hill shaped like a hemisphere. The hill has a constant radius of R. Neglecting friction (it is icy!), show that the skier will leave the surface of the hill and become air-borne at a

asked by Courtney on April 14, 2008
Physics
A road heading due east passes over a small hill. You drive a car of mass m at constant speed v over the top of the hill, where the shape of the roadway is well approximated as an arc of a circle with radius R. Sensors have been placed on the road surface

asked by David on October 1, 2015

Physics
A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

asked by Sara on October 27, 2012
Physics
A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

asked by Sara on October 25, 2012
Physics
A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

asked by Sara on October 26, 2012
Physics
The 2500 kg cable car shown in the figure below descends a 200 m high hill. In addition to its brakes, the cable car controls its speed by pulling an 1200 kg counterweight up the other side of the hill. The rolling friction of both the cable car and the

asked by Laila on November 3, 2010
physics
A car drives along a road section free of curves with speed v0 first through the hollow of a valley (radius of curvature r1) and then over a mountain top (radius of curvature r2). Let the driver have mass m. • What changes in his weight does the driver

asked by Teri on March 25, 2013
Physics
A car of mass 1530 kg traveling at 27.0 m/s is at the foot of a hill that rises 115 m in 4.40 km. At the top of the hill, the speed of the car is 6.0 m/s. Find the average power delivered by the car’s engine, neglecting any frictional losses I got 8145.7

asked by Trish on October 12, 2016
Physics
At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP on December 3, 2013
Physics
At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP on December 4, 2013
Physics
At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP NOW on December 4, 2013
Physics.
A hilly road has a 20 m radius top to one of its hills. What is the minimum speed for a car to just leave the road at the top of this hill?

asked by Jay on November 13, 2010

physics
A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on the car W = change in

asked by Mechai on November 20, 2014
Physics
A roller coaster car of mass 1000kg is riding along a track from point A to point C. (point A is 75m high, B is 50m high and C is 100m high, so that there are a total of three hills.) the final velocity at point C is 10m/s a) Assume no friction what is the

asked by Tammy on November 14, 2007
physical science
A 250.0 kg roller coaster car has 20,000.0 J of potential energy at the top of the hill. Neglecting frictional losses, what is the velocity of the car at the bottom of the hill?

asked by shannon on July 3, 2008
Physical Science-please help
A 250.0 kg roller coaster car has 20000 J of potential energy at the top of a hill. Neglecting frictional losses, what is the velocity of the car at the bottom of the hill?

asked by Sarah on October 10, 2007
physics
Assume the height of a hill is 50m, calculate: a.the velocity of a car at the bottom ofg the hill b.the height at which it will have half the speed. Assume the car starts from rest at the top of the hill.

asked by bola on February 23, 2010
Physics
A 1600-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32 m/s. Going up a hill, the car’s engine produces 54 hp more power to sustain the constant velocity than it

asked by Sam on October 15, 2012
Physics
A 1800-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 28 m/s. Going up a hill, the car’s engine produces 52 hp more power to sustain the constant velocity than it

asked by Darren on October 15, 2012
science
A 250.0 kg roller coaster car has 20,000 J of potential energy at the top of the hill. Neglecting frictional losses, what is the velocity of the car at the bottom of thee hill? A.) 9.8 m/s B). 12.6 m/s C). 14.1 m/s D). 8.9 m/s

asked by Tyra J on October 9, 2007
physics
A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car’s engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0?

asked by Dan on October 12, 2009
Physics
A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car’s engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0∘ ?

asked by Amy on November 23, 2013

Physics
A 1450 kg car goes over a vertical hill with a radius of 64.7 m. What is the maximum velocity that will keep the car on the road as it goes over the hill?

asked by Smit on November 15, 2015
applilcations of trigonometry
A surveyor wants to find the height of the top of a hill. He observes that the angles of elevation of the top of the hill at points C and D, 300m apart, lying on the base of the hill and on the same side of the hill are 30° and 45° respectively What is

asked by satishkumar on December 10, 2015
physics – rotational motion
A small car of mass, m, is release at height, h, on a steel track. the car rolls down the track and through the loop of radius, R. at the end of the rack, the car rolls off the track, which is positioned at height, H, above the floor. neglect friction and

asked by Lauren on April 22, 2011
Math
Paul is standing at the bottom of a hill that is 150 meters high. He measures the angle of the elevation of the top of the hill to be 32 degrees. If the slope of the hill is constant, how far will his walk to the top of the hill be

asked by Fred on January 9, 2017
science
A 1030 kg car travelling on a road that runs straight up a hill reaches the rounded crest at 10.4 m/s. If the hill at that point has a radius of curvature (in a vertical plane) of 59.0 m, what is the effective weight of the car at the instant it is

asked by Anonymous on February 14, 2019
Physics
A rollercoaster car starts at rest on top of a frictionless hill of height 17 m, slides down to ground level, and then into a frictionless loop of radius 5 m. When the car is at the side of the loop (level with the center), find the magnitude of the car’s

asked by natalia on November 6, 2009
Physics
Kathy is changing the tire of her car on a steep hill 20 m high. She trips and drops the 10 kg spare tire which rolls down the hill. What is the speed of the tire at the top of the next hill if the height of the hill is 5 m high?

asked by Kelsey on May 17, 2011
Physics
A roller coaster car of mass 1000kg is riding along a track from point A to point C. (point A is 75m high, B is 50m high and C is 100m high, so that there are a total of three hills.) the final velocity at point C is 10m/s a) Assume no friction what is the

asked by Tammy on November 14, 2007
Physics
The speed of the car at the base of a 30 ft hill is 45 mi/h. Assuming the driver keeps her foot off the brake and accelerator pedals, what will be the speed of the car at the top of the hill?

asked by Steven on October 15, 2014
Physics
A roller-coaster car speeds down a hill past point A and then rolls up a hill past point B. The car has a speed of 16.1 m/s at point A. The acceleration of gravity is 9.81 m/s^2. Radius of Circle A is 9.98 m. Radius of Circle B is 15.5 m. a) If at point A

asked by Jaylee on November 13, 2010

Math
Three men named Greene, Grey, and Tann along with two women name Browne and Whyte, each drive the car in their car pool on a different one of the five weekdays each week. Each person’s car is a different one of these five colors: brown, gray, green, tan

asked by John on May 18, 2008
physics
The cart starts from rest at the top of a hill with height, H2. It rolls down the hill and at the bottom of the hill it has a speed of 10 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 4.59 m/s.

asked by zacurea on October 11, 2011
physics
The cart starts from rest at the top of a hill with height, H1. It rolls down the hill and at the bottom of the hill it has a speed of 8 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 6 m/s. How

asked by zacurea on October 11, 2011
physics
You live at the top of a steep (a slope of ???? degrees above the horizontal) hill and must park your 2200 kg car on the street at night. a) You unwisely leave your car out of gear one night and your handbrake fails. Assuming no significant frictional

asked by sabrina on March 1, 2016
Physics
A car travels over a hill at a constant speed as shown in the diagram below. The car’s speed is 12.1 m/s, its mass is 1621 kg, the radius of the hill is 29 meters, and the force of friction is 201.6 N. The gravitational field of the earth is 10N/Kg.

asked by Anonymous on May 7, 2018
physics
After coming down a steep hill at a constant speed of 49 m/s, a car travels along the circumference of a vertical circle of radius 329 m until it begins to climb another hill. What is the magnitude of the resultant force on the 170 kg driver of the car at

asked by d on January 24, 2015
Physics
As a car rounds the top of a hill at a speed of 27.53 m/s, it very briefly loses contact with the pavement. This section of the road has an approximately circular shape. Find the radius r?

asked by Anonymous on February 13, 2012
physics
A 10-g pin ball rolls over a track like the one shown above. If the second hill forms a curvature with a radius of 1.5 m, what is the maximum velocity that the pin ball can roll with over the top of the second hill without flying off? G) 10g=mass

asked by Donny G on January 9, 2015
physics
A roller coaster car speeds down a hill past point A and then rolls up a hill past hill B.The car has a speed of 16.9 m/s at point A. THe acceleration of gravity is 9.81 m/s^2.If at point A the track exerts a force on the car that is 2.45*10^4 N greater

asked by Jake on December 4, 2011
Physics
As a car rounds the top of a hill at a speed of 29.03 m/s, it very briefly loses contact with the pavement. This section of the road has an approximately circular shape (see figure). Find the radius r.

asked by Marion on October 23, 2011

physics
A sports car of mass 950kg (including the driver) crosses the rounded top of a hill (radius = 95m) at 22m/s. Determine a) the normal force exerted by the road on the car, b) the normal force exerted by the car on the 72kg driver, and c) the car speed at

asked by Sasha on November 3, 2009
PHYSICS FORCE
A car moving at a speed of 48.0 km/h accelerates 100.0 m up a steep hill, so that at the top of the hill its sped is 59.0 km/h. if the car’s mass is 1100 kg, what is the magnitude of the net force acting on it? i already know you have to change it to m/s

asked by lalaglaze on October 21, 2009
physics
Question: You live at the top of a steep (a slope of ???? degrees above the horizontal) hill and must park your 2200 kg car on the street at night. a) You unwisely leave your car out of gear one night and your handbrake fails. Assuming no significant

asked by tom on February 29, 2016
Physics
Instructions: Read the following paragraph carefully. Then use what you know about momentum, work, and energy to answer the following questions. Be sure to show your work. You are a traffic accident investigator. You have arrived at the scene of an

asked by Annet on December 15, 2014
physics
A car drives around a curve with radius 390 m at a speed of 32 m/s. The road is not banked. The mass of the car is 1200 kg. (a) What is the frictional force on the car? N c) Explain I really don’t know how to solve this could someone please help me out on

asked by Julia on May 25, 2012
Physics
a 107 lb little red wagon full of kids is on the top of a 41.4 m hill. the wagon falls down the hill and up a 14.5 m hill. how fast is it going on the top of the second hill if there is no friction?

asked by April on January 14, 2018
Physics
A bus goes over the crest of a hill at 10 m/s and the radius of curvature of the hill is 15 m. Determine the force exerted by the car seat for a man of 75 kg. At what speed would you become weightless

asked by Del on May 18, 2012
physics
A 1400kg car starts at rest and rolls down a hill from a height of 12m. (a) how much kinetic energy does the car have at the bottom of the hill?(b) how fast is the car going at the bottom of the hill? Can someone explain how to do it!

asked by kiki on November 30, 2011
8th grade physical science
You are on roller blades on top of a small hill. Your PE is 1,000.0 Joules. The last time you check your mass was 60.0 kg. What is the height of the hill? if you start skating down this hill, your poetntial energy will be converted to kinetic. At the

asked by Misty on January 19, 2012
physics
A red car with a 70kW engine and a mass of 1335kg accelerates at full power for 2s from rest along a level stretch of road heading east before going down a 3m high hill. The driver puts the car in neutral to accelerate as they coast down the hill. Some

asked by Hadeel on May 12, 2011

Physics
A 4000 kg trailer is towed up a hill with a 5% grade. If the towing truck starts from rest at the bottom of the hill and reaches a speed of 12 m/s at the top of the hill, how much is the towing force. The road from the bottom to the top of the hill is

asked by Anonymous on September 12, 2015
physics
A 4000 kg trailer is towed up a hill with a 5% grade. If the towing truck starts from rest at the bottom of the hill and reaches a speed of 12 m/s at the top of the hill, how much is the towing force. The road from the bottom to the top of the hill is

asked by james on September 11, 2015
physics
A 2630-kg car drives up a hill 769 meters high in 41.0 seconds. Calculate the power exerted

asked by Matt on May 12, 2012
science
Instructions: Read the following paragraph carefully. Then use what you know about momentum, work, and energy to answer the following questions. Be sure to show your work. You are a traffic accident investigator. You have arrived at the scene of an

asked by Anonymous on October 27, 2010
physics
You have an inclined plane. It is 2m long and 1m high. A cylinder of mass 300 grams and 3cm radius is initially at rest at the top of the hill. What is its angular velocity when it reaches the bottom of the hill?

asked by Lakeshia on April 6, 2011

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