A 3kg ball is located at the top of a hill tha is 1000m high. The ball starts rolling from rest. Answer the following: Assume g=9.81 m/s²and there is no friction. A) Calculate the initial potential energy. B) Calculate the initial kinetic energy. C) Calculate the final kinetic energy if the ball reaches a final height of 250m. D) Calculate the final speed of the ball.
A 3kg ball is located at the top of a hill tha is 1000m high. The ball starts rolling from rest. Answer the following: Assume g=9.81 m/s²and there is no friction. A) Calculate the initial potential energy. B) Calculate the initial kinetic energy. C) Calculate the final kinetic energy if the ball reaches a final height of 250m. D) Calculate the final speed of the ball.
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Transcribed Image Text:A 3kg ball is located at the top of a hill that
is 1000m high. The ball starts rolling from
rest. Answer the following:
Assume g=9.81 m/s²and there is no
friction.
A) Calculate the initial potential energy.
B) Calculate the initial kinetic energy.
C) Calculate the final kinetic energy if the
ball reaches a final height of 250m.
D) Calculate the final speed of the
ball.
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