5. After given a push, a 1.0-kg box slides down a slope that is inclined by 30° relative to the horizontal. There is a spring with a spring constant of 1000 N/m attached to the bottom of the slope, as shown. The surface of the slope is rough and has a coefficient of kinetic friction of 0.15. After being pushed, the box has an initial velocity to, and it then slides 1.2 m down the slope before hitting the spring, where it compresses the spring by 25 cm. Find the work done on the box by gravity, friction, and the spring. Also, find the initial speed of the box. 1.2 m 30

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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5. After given a push, a 1.0-kg box slides down a slope that is inclined by 30° relative to the horizontal. There is
a spring with a spring constant of 1000 N/m attached to the bottom of the slope, as shown. The surface of
the slope is rough and has a coefficient of kinetic friction of 0.15. After being pushed, the box has an initial
velocity to, and it then slides 1.2 m down the slope before hitting the spring, where it compresses the spring
by 25 cm. Find the work done on the box by gravity, friction, and the spring. Also, find the initial speed of
the box.
12 m
30
Transcribed Image Text:5. After given a push, a 1.0-kg box slides down a slope that is inclined by 30° relative to the horizontal. There is a spring with a spring constant of 1000 N/m attached to the bottom of the slope, as shown. The surface of the slope is rough and has a coefficient of kinetic friction of 0.15. After being pushed, the box has an initial velocity to, and it then slides 1.2 m down the slope before hitting the spring, where it compresses the spring by 25 cm. Find the work done on the box by gravity, friction, and the spring. Also, find the initial speed of the box. 12 m 30
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