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Tag Archives: direction

At a playground, a child slides down a slide that makes a 42° angle with the horizontal direction. the coefficient of kinetic friction for the child sliding on the slide is 0.20. what is the magnitude of her acceleration during her sliding?

Assuming metric units, metre, kilogram and seconds Best approach: draw a free body diagram and identify forces acting on the child, which are:gravity, which can be decomposed into normal and parallel (to slide) components N=mg(cos(theta)) [pressing on slide surface]F=mg(sin(theta))  [pushing child downwards, also cause for acceleration]   m=mass of child (in kg)  …

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Which of the following does NOT describe the War on Terrorism? It began in response to the September 11 terrorist attacks. It affected the domestic and foreign policies of the United States. It ended once the Taliban regime in Afghanistan was defeated. It significantly altered the direction of the George W. Bush presidency.

Which of the following does NOT describe the War on Terrorism? It began in response to the September 11 terrorist attacks. It affected the domestic and foreign policies of the United States. It ended once the Taliban regime in Afghanistan was defeated. It significantly altered the direction of the George …

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Ccording to Le Chatelier’s principle, what happens when the concentration of a product is reduced in a chemical reaction that was in equilibrium? A. The equilibrium shifts to the right to favor the formation of products. B. The equilibrium shifts to the left to favor the formation of reactants. C. The equilibrium shifts in the exothermic direction. D. The equilibrium shifts in the endothermic direction.

Ccording to Le Chatelier’s principle, what happens when the concentration of a product is reduced in a chemical reaction that was in equilibrium? A. The equilibrium shifts to the right to favor the formation of products. B. The equilibrium shifts to the left to favor the formation of reactants. C. …

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When a bullet is fired from a gun, what is true about the momentum? The gun has more momentum than the bullet, so the momentum is not conserved. The bullet and gun have equal momenta in opposite directions, so the system’s momentum is conserved. The bullet has more momentum than the gun, so the momentum is not conserved. The bullet and the gun have equal momenta in the same direction, so the system’s momentum is conserved.

These are 3 questions and 3 answers. Question 1. Answer: I = 0.01 A Explanation: a) Data: i) Type of circuit: series ii) R₁ = 100 Ω ii) R₂ = 100 Ω iii) V = 2 V iv) I = ? b) Formulas i) Equivalent resistance, R = R₁ + …

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An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction S 49.17°W. How far is the plane from the airport (round to the nearest mile)? plzzz helpppp

Answer: Distance between plane and airport is 134.4 miles. Step-by-step explanation: Given : An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction S 49.17°W. To find : How far is the plane from the airport. Solution : Distance from airport to …

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A loop of wire has the shape of a right triangle (see the drawing) and carries a current of i 5 4.70 a. a uniform magnetic ? eld is directed parallel to side ab and has a magnitude of 1.80 t. (a) find the magnitude and direction of the magnetic force exerted on each side of the triangle. (b) determine the magnitude of the net force exerted on the triangle.

You are given a loop of wire that has the shape of a right triangle and carries a current of 5A and a uniform magnetic field directed to side AB with a magnitude of 1.8 tesla. You are asked to find the magnitude and direction of the magnetic force exerted on …

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A boat moves 60 kilometers east from point A to point B. There, it reverses direction and travels another 45 kilometers toward point A. What are the total distance and total displacement of the boat?

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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An airplane is flying at a constant speed in a positive direction. It slows down when it approaches the airport where it’s going to land. Which term describes the slowing of the plane? 1.stationary positive velocity 2.positive acceleration 3.negative acceleration 4.constant velocity

The equation of the car is given by the equation,                           x(t) = 2.31 + 4.90t² – 0.10t⁶ If we are going to differentiate the equation in terms of x, we get the value for velocity.     …

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The police department is very proud of their new police cars. They announced that they are able to go from a stopped position to 80 miles per hour in 6 seconds. They are describing their cars’ velocity. direction. speed. acceleration.

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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A compass rose _____. A. helps you determine your heading B. helps sight landmarks when traveling C. shows the compass points on a map D. indicates your direction of travel

Here are a few pointers; hope this is useful) Ovation-by definition- is show of appreciation from an audience, for a person’s accomplishments or flaw. “Everyone deserves a standing ovation because we all overcometh the world.” A person’s accomplishment could be how they made a positive change in this world, strong …

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If your vehicle breaks down pull off the roadway, and if possible, park so that your vehicle can be seen for ____ feet in each direction.

Answer: a) The time the police officer required to reach the motorist was 15 s. b) The speed of the officer at the moment she overtakes the motorist is 30 m/s c) The total distance traveled by the officer was 225 m. Explanation: The equations for the position and velocity …

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Which sentences in this excerpt from Leo Tolstoy’s The Death of Ivan Ilyich show Ivan Ilyich’s struggle with his life and his inability to let go of his past? For three whole days, during which time did not exist for him, he struggled in that black sack into which he was being thrust by an invisible, resistless force. He struggled as a man condemned to death struggles in the hands of the executioner, knowing that he cannot save himself. And every moment he felt that despite all his efforts he was drawing nearer and nearer to what terrified him. He felt that his agony was due to his being thrust into that black hole and still more to his not being able to get right into it. He was hindered from getting into it by his conviction that his life had been a good one. That very justification of his life held him fast and prevented his moving forward, and it caused him most torment of all. Suddenly some force struck him in the chest and side, making it still harder to breathe, and he fell through the hole and there at the bottom was a light. What had happened to him was like the sensation one sometimes experiences in a railway carriage when one thinks one is going backwards while one is really going forwards and suddenly becomes aware of the real direction. “Yes, it was not the right thing,” he said to himself, “but that’s no matter. It can be done. But what is the right thing? he asked himself, and suddenly grew quiet.

Hey there! Correct answer is D. Comma or Period Inside Rule A. Question mark or exclamation point inside: those are not really necessary. B. Colon or semicolon: not, a semicolon would divide the whole sentence and it would be shorten; a colon would work but after requested, when there is …

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Which explains why an activated complex is a high-energy species? activated complexes form during endothermic reactions. activated complexes require new bonds to be made. activated complexes are stable species with strong covalent bonds. activated complexes cannot be formed in the reverse reaction direction?

There are two systems in the human body that are responsible for the coordination between the functions of different systems to achieve the unity of the living organism’s body. These two systems are the nervous system and the endocrine system. The action of the nervous system is fast and takes …

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Block a, with a mass of 2.0kg, moves along the x axis with a velocity of 5.0m/s in the positive x direction. it su?ers an elastic collision with block b, initially at rest, and the blocks leave the collision along the x axis. if b is much more massive than a, the speed of a after the collision is:

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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A toy rocket with a mass of 300 g takes off in a vertical direction under the influence of gravity. it burns fuel at the rate of 25 g/s. the exhaust speed of the gases is 80 m/s. what is the speed of the rocket at the end of 10 seconds?

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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About 40 j is required to push a crate 4 m across a floor. if the push is in the same direction as the motion of the crate, the force on the crate is about

Answer: a) The time the police officer required to reach the motorist was 15 s. b) The speed of the officer at the moment she overtakes the motorist is 30 m/s c) The total distance traveled by the officer was 225 m. Explanation: The equations for the position and velocity …

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When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is 8×10-17j. what is the strength of the electric field that causes the change in potential energy?

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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Is it an inward force or an outward force that is exerted on the clothes during the spin cycle of an automatic washing machine? what about the direction of the force on the water?

Answer: 1) Water has very high specific heat. 2) It expands when it freezes 3) ability to dissolve in ionic substances 4) Water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid. Explanation: 1) Water molecules due to their high specific heat , undergo relatively …

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A –4.0-µC charge is located 0.45 m to the left of a +6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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A large ice floe is floating at a speed of 3 kilometers per hour. A polar bear leaves the floe and swims in the opposite direction at 9 kilometers per hour. How long will it be before the polar bear is 4 kilometers away from the floe? How do I do this??? My teacher never teaches me!!

The basis to respond this question are: 1) Perpedicular lines form a 90° angle between them. 2) The product of the slopes of two any perpendicular lines is – 1. So, from that basic knowledge you can analyze each option: a.Lines s and t have slopes that are opposite reciprocals. …

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A moving small car has a head-on collision with a large stationary truck 7.3 times the mass of the car. Which statement is true about the direction of the car after the collision if the collision is elastic? The car continues moving in its initial direction with the same velocity. The car bounces off and moves in the opposite direction. The car keeps moving in its initial direction with a lower velocity than at first. The car stops completely.

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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Read the excerpt from “The Most Dangerous Game.” He struggled up to the surface and tried to cry out, but the wash from the speeding yacht slapped him in the face and the salt water in his open mouth made him gag and strangle. Desperately he struck out with strong strokes after the receding lights of the yacht, but he stopped before he had swum fifty feet. A certain cool-headedness had come to him; it was not the first time he had been in a tight place. There was a chance that his cries could be heard by someone aboard the yacht, but that chance was slender, and grew more slender as the yacht raced on. He wrestled himself out of his clothes, and shouted with all his power. The lights of the yacht became faint and ever-vanishing fireflies; then they were blotted out entirely by the night. Rainsford remembered the shots. They had come from the right, and doggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength. For a seemingly endless time he fought the sea. He began to count his strokes; he could do possibly a hundred more and then— What details from the narration show that Rainsford is a rational individual who does well in moments of danger? Check all that apply. 1) He struggled up to the surface and tried to cry out 2) Desperately he struck out with strong strokes after the receding lights of the yacht 3) A certain cool-headedness had come to him; 4) There was a chance that his cries could be heard by someone aboard the yacht 5)[D]oggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength.

C) A certain cool-headedness had come to him E) [D]oggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength Both of these sentences show that Rainsford can easily handle stress. The first sentence says that he was overcome by “cool-headedness”. In the second stanza the speaker …

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