A 4.00-kg block is set into motion up an inclined plane with an initial speed of v, = 8.20 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the horizontal. (a) For this motion, determine the change in the block's kinetic energy. |-183 We know an initial speed and a final speed. Are the other pieces of information relevant to this question? J 1x (b) For this motion, determine the change in potential energy of the block-Earth system. 76.4 If the block moves a distance 3.00 up the ramp, what is the change in height? ) (c) Determine the friction force exerted on the block (assumed to be constant). 35.7 You appear to have correctly calculated the force using your incorrect results from parts (a) and (b). N

A 4.00-kg block is set into motion up an inclined plane with an initial speed of v, = 8.20 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the horizontal. (a) For this motion, determine the change in the block's kinetic energy. |-183 We know an initial speed and a final speed. Are the other pieces of information relevant to this question? J 1x (b) For this motion, determine the change in potential energy of the block-Earth system. 76.4 If the block moves a distance 3.00 up the ramp, what is the change in height? ) (c) Determine the friction force exerted on the block (assumed to be constant). 35.7 You appear to have correctly calculated the force using your incorrect results from parts (a) and (b). N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

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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Question

A 4.00-kg block is set into motion up an inclined plane with an initial speed of v, = 8.20 m/s (see figure below). The block comes to rest after travelingd = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the horizontal.
(a) For this motion, determine the change in the block's kinetic energy.
-183
We know an initial speed and a final speed. Are the other pieces of information relevant to this question? )
(b) For this motion, determine the change in potential energy of the block-Earth system.
76.4
If the block moves a distance 3.00 up the ramp, what is the change in height? )
(c) Determine the friction force exerted on the block (assumed to be constant).
35.7
You appear to have correctly calculated the force using your incorrect results from parts (a) and (b). N
(d) What is the coefficient of kinetic friction?
.81
If you know the magnitude of the friction force (part (c)), how can you determine the coefficient of kinetic friction?

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Step 2 :Calculation of the change in kinetic energy

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Step 3 :Calculation of the height

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Step 4 :Calculation of the change in potential energy

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Step 5 :Calculation of the acceleration

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Step 6 :Calculation of the frictional force

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