*31 ILW A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle 6 = 30.0° (Fig. 8-44). (The block is not attached to the spring.) The spring, with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. (a) What is the elastic potential energy of the compressed spring? (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? (c) How far along the incline is the highest point from the release point? Figure 8-44 Problem 31.

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*31 ILW A block with mass m = 2.00 kg is placed against a spring
on a frictionless incline with angle 6 = 30.0° (Fig. 8-44). (The block is
not attached to the spring.) The spring, with spring constant k = 19.6
N/cm, is compressed 20.0 cm and then released. (a) What is the elastic
potential energy of the compressed
spring? (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? (c)
How far along the incline is the
highest point from the release
point?
Figure 8-44 Problem 31.
Transcribed Image Text:*31 ILW A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle 6 = 30.0° (Fig. 8-44). (The block is not attached to the spring.) The spring, with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. (a) What is the elastic potential energy of the compressed spring? (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? (c) How far along the incline is the highest point from the release point? Figure 8-44 Problem 31.
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