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The weight, w, of a spring in pounds is given by 0.9 times the square root of the energy, E, stored by the spring in joules. If the energy stored by the spring is 12 joules, what is the approximate weight of the spring in pounds?


Answered by answersmine AT 22/10/2019 – 02:34 AM

The is the concept of algebra, the weight of the spring can be modeled by the equation;
w=0.9sqrt E
=energy in joules;
thus the weight of the spring when the energy is 12 j will be:
w=3.18 g