A 1.2 kg rock is pressed up against a spring with spring constant 30 N/m and en released, causing it to slide across a frictionless horizontal surface and then to de up a frictonless incline to a height of 20 cm. (a) Fill out the Energy Chart below calculate the Potential and Kinetic Energy at each time point. Use g = 10 m/s² for sier calcuations. Assume Energy is Conserved throughout the problem. Scene C Scene A Scene B Ax
A 1.2 kg rock is pressed up against a spring with spring constant 30 N/m and en released, causing it to slide across a frictionless horizontal surface and then to de up a frictonless incline to a height of 20 cm. (a) Fill out the Energy Chart below calculate the Potential and Kinetic Energy at each time point. Use g = 10 m/s² for sier calcuations. Assume Energy is Conserved throughout the problem. Scene C Scene A Scene B Ax
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Transcribed Image Text:A 1.2 kg rock is pressed up against a spring with spring constant 30 N/m and
then released, causing it to slide across a frictionless horizontal surface and then to
slide up a frictonless incline to a height of 20 cm. (a) Fill out the Energy Chart below
to calculate the Potential and Kinetic Energy at each time point. Use g = 10 m/s? for
easier calcuations. Assume Energy is Conserved throughout the problem.
Scene C
Scene A
Scene B
h3D 20 ст-
Ax
h = 0
Scene A
Scene B
Scene C | (b) What is the initial compression of the
spring, Ax?
PEgravity
= mgh
КЕ
= }mv²
PEspring
= }k(Ax)²
2.
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