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d. Using work and energy, find a symbolic expression for the block's speed when it is at height h above the bottom of the slope. e. If F= 25.0 N, m= 5.0 kg, h= 2.0 m and 0 = 20°, what is the speed of the block at top of the slope? What happens in the limit at h → 0? Does this make sense? %3D the

d. Using work and energy, find a symbolic expression for the block's speed when it is at height h above the bottom of the slope. e. If F= 25.0 N, m= 5.0 kg, h= 2.0 m and 0 = 20°, what is the speed of the block at top of the slope? What happens in the limit at h → 0? Does this make sense? %3D the

College Physics
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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1. Starting from rest a block of mass m is pushed up a frictionless slope of angle 0 by a horizontal force of magnitude F. h F m a. Draw a free body diagram for mass m. b. What work is done on the block? Write down the work-kinetic energy theorem ( eq. 9.13) for the block and simplify. c. What forces act on the block? Write down the work done by these forces using your free-body diagram and eq. 9.17 eq. d. Using work and energy, find a symbolic expression for the block's speed when it is at height h above the bottom of the slope. 20°, what is the speed of the block at e. If F= 25.0 N, m= 5.0 kg, h= 2.0 m and 0 = the top of the slope? What happens in the limit at h → 0? Does this make sense?
Transcribed Image Text:1. Starting from rest a block of mass m is pushed up a frictionless slope of angle 0 by a horizontal force of magnitude F. h F m a. Draw a free body diagram for mass m. b. What work is done on the block? Write down the work-kinetic energy theorem ( eq. 9.13) for the block and simplify. c. What forces act on the block? Write down the work done by these forces using your free-body diagram and eq. 9.17 eq. d. Using work and energy, find a symbolic expression for the block's speed when it is at height h above the bottom of the slope. 20°, what is the speed of the block at e. If F= 25.0 N, m= 5.0 kg, h= 2.0 m and 0 = the top of the slope? What happens in the limit at h → 0? Does this make sense?
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