A factory worker accidentally releases a 180 kg crate that was being held at rest at the top of a ramp that is 3.7 m long and inclined at 39 to the horizontal.The coefficient of kinetic friction between the crate and the ramp, and between the crate and the horizontal factory floor, is 0.28. (a) How fast is the crate moving as it reaches the bottom of the ramp? (b) How far will it subsequently slide across the floor? (Assume that the crate’s kinetic energy does not change as it moves from the ramp onto the floor.) (c) Do the answers to (a) and (b) increase, decrease, or remain the same if we halve the mass of the crate?
A factory worker accidentally releases a 180 kg crate that was being held at rest at the top of a ramp that is 3.7 m long and inclined at 39 to the horizontal.The coefficient of kinetic friction between the crate and the ramp, and between the crate and the horizontal factory floor, is 0.28. (a) How fast is the crate moving as it reaches the bottom of the ramp? (b) How far will it subsequently slide across the floor? (Assume that the crate’s kinetic energy does not change as it moves from the ramp onto the floor.) (c) Do the answers to (a) and (b) increase, decrease, or remain the same if we halve the mass of the crate?
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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A factory worker accidentally releases a 180 kg crate that was
being held at rest at the top of a ramp that is 3.7 m long and inclined
at 39 to the horizontal.The coefficient of kinetic friction between
the crate and the ramp, and between the crate and the horizontal
factory floor, is 0.28. (a) How fast is the crate moving as it
reaches the bottom of the ramp? (b) How far will it subsequently
slide across the floor? (Assume that the crate’s kinetic energy does
not change as it moves from the ramp onto the floor.) (c) Do the
answers to (a) and (b) increase, decrease, or remain the same if we
halve the mass of the crate?
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