A 3kg block slides along a floor with coefficient of kinetic friction lk = 0.3, initially moving at 7.0m/s. It travels for 2.0 meters, then encounters a ramp sloped upward at 40°. The ramp also has a coefficient of kinetic friction lk = 0.3. How fast is the block moving when it reaches the bottom of the ramp? How far up the ramp does the block slide, before momentarily coming to rest?
A 3kg block slides along a floor with coefficient of kinetic friction lk = 0.3, initially moving at 7.0m/s. It travels for 2.0 meters, then encounters a ramp sloped upward at 40°. The ramp also has a coefficient of kinetic friction lk = 0.3. How fast is the block moving when it reaches the bottom of the ramp? How far up the ramp does the block slide, before momentarily coming to rest?
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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Transcribed Image Text:A 3kg block slides along a floor with coefficient of kinetic friction k = 0.3, initially moving at 7.0m/s. It
travels for 2.0 meters, then encounters a ramp sloped upward at 40°. The ramp also has a coefficient of
kinetic friction lk = 0.3. How fast is the block moving when it reaches the bottom of the ramp? How far
up the ramp does the block slide, before momentarily coming to rest?
Transcribed Image Text:1) Draw a pictorial representation of the problem.
2) Choose a two coordinate systems, one for the flat surface part of the problem, one for the ramp
part of the problem.
3) List given information as consistent with your chosen coordinates. Be sure to choose variable
names that are not ambiguous (for example, do not use v, for final velocity in both parts.
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