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A 2.00 kg block is placed against a spring on a frictionless 30.0° incline. (The block
Block-Spring-Incline
is not attached to the spring.) The spring, whose spring constant is 19.6 N/cm, is compressed 18.0 cm
and then released.
(a) What is the elastic potential energy of the compressed spring?
J
(b) What is the change in the gravitational potential energy of the block-Earth system as the block
moves from the release point to its highest point on the incline?
J
Transcribed Image Text:A 2.00 kg block is placed against a spring on a frictionless 30.0° incline. (The block Block-Spring-Incline is not attached to the spring.) The spring, whose spring constant is 19.6 N/cm, is compressed 18.0 cm and then released. (a) What is the elastic potential energy of the compressed spring? J (b) What is the change in the gravitational potential energy of the block-Earth system as the block moves from the release point to its highest point on the incline? J
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