A 2.78kg crate starts from rest and slides down a frictionless ramp whose angle is 14.4° with the horizontal. The crate starts at a vertical height of 97.8cm. When the crate reaches the bottom of the ramp, it slides along a rough patch which has coefficient of kinetic friction µk = 0.448 and is 67.1cm long. After 67.1cm, the floor is frictionless. Rough patch a. How fast is the crate moving when it reaches the bottom of the ramp? Show your work. b. How fast is the crate moving when it makes it to the other side of the rough patch? If the crate has come to before reaching the other side of the rough patch, please indicate work. how far the crate moves before stopping. Show your
A 2.78kg crate starts from rest and slides down a frictionless ramp whose angle is 14.4° with the horizontal. The crate starts at a vertical height of 97.8cm. When the crate reaches the bottom of the ramp, it slides along a rough patch which has coefficient of kinetic friction µk = 0.448 and is 67.1cm long. After 67.1cm, the floor is frictionless. Rough patch a. How fast is the crate moving when it reaches the bottom of the ramp? Show your work. b. How fast is the crate moving when it makes it to the other side of the rough patch? If the crate has come to before reaching the other side of the rough patch, please indicate work. how far the crate moves before stopping. Show your
College Physics
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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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
Transcribed Image Text:Question 2 - Energy
A 2.78kg crate starts from rest and slides down a frictionless ramp whose angle is 14.4° with the
horizontal. The crate starts at a vertical height of 97.8cm. When the crate reaches the bottom
of the ramp, it slides along a rough patch which has coefficient of kinetic friction Hk = 0.448 and
is 67.1cm long. After 67.1cm, the floor is frictionless.
%3D
Rough patch
а.
How fast is the crate moving when it reaches the bottom of the ramp? Show your work.
b. How fast is the crate moving when it makes it to the other side of the rough patch? If the
crate has come to rest before reaching the other side of the rough patch, please indicate
how far the crate moves before stopping. Show your work.
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