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PLEASE SHOW ALL WORK! A wooden block with a mass of 250 g rests on a...

PLEASE SHOW ALL WORK!

A wooden block with a mass of 250 g rests on a flat wooden table. The block is then pushed against a spring, compressing it.

a) If the spring has a spring constant of k = 800. N/m and is compressed a distance of 15.0 cm, what is the energy stored in the spring?

b) What is the speed of the block when it leaves the spring?

c) The coefficient of kinetic friction of wood on wood is 0.200. If the block travels 4.00 m and then encounters a frictionless ramp, how fast is it going when it reaches the ramp?

d) How high is the block when it stops?

e) How far along the ramp did it travel?

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Answer #1

ره) PE= 1 kn ² J ک و {*800 x @.15;? (6) // mn² = 2x9 8.485 mots 11 0.250 (c) ²x0.25 xV2 galinga ļx0.25xuļa 9 - C0.2 x 0.25 *9

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