A large toy car is pushed horizontally by a spring, and the spring has a spring constant of 135 N/m. What is the mass of the toy car if compressing the spring 0.055 m (before the toy starts moving) causes it to reach a speed of 0.75 m/s? (Note - the height of the toy does not change.) What equation will be best for calculating this value? Your answer: mgh, =글x o mgh, =mv? o kx? = mgh;

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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A large toy car is pushed horizontally by a spring, and the spring has a spring constant of 135 N/m. What is the mass of the toy car if
compressing the spring 0.055 m (before the toy starts moving) causes it to reach a speed of 0.75 m/s? (Note - the height of the toy does not
change.)
What equation will be best for calculating this value?
Your answer:
o mgh,=글x?
o mgh, =mv?
o 글x?=mghy
Transcribed Image Text:A large toy car is pushed horizontally by a spring, and the spring has a spring constant of 135 N/m. What is the mass of the toy car if compressing the spring 0.055 m (before the toy starts moving) causes it to reach a speed of 0.75 m/s? (Note - the height of the toy does not change.) What equation will be best for calculating this value? Your answer: o mgh,=글x? o mgh, =mv? o 글x?=mghy
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