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luisannavasquez6129
luisannavasquez6129
03.02.2020 • 
Physics

Study the scenario.

a toy is launched horizontally by a spring. once the toy is moving there is a total of 150 j of energy stored in the isolated system.

how much energy was stored in the system before the spring released the toy?

(a) less than 150 j because an isolated system loses energy as energy is converted from one form to another

(b) more than 150 j because an isolated system gains energy as energy is converted from one form to another

(c)150 j, because the initial and final energy must be the same in an isolated system

(d)there is no way to tell what happens to the amount of energy in an isolated system unless we know the speed of the toy

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