A 40.0-N box starts sliding from rest down a rough ramp 6.00 m long, inclined at 30.0 degrees from the horizontal. The magnitude of the friction force between the box and the ramp is 6.0 N. What is the speed of the box at the bottom of the plane? a. 7.75 m/s b. 4.5 m/s c. 1.60 m/s d. 6.42 m/s e. 3.32 m/s
A 40.0-N box starts sliding from rest down a rough ramp 6.00 m long, inclined at 30.0 degrees from the horizontal. The magnitude of the friction force between the box and the ramp is 6.0 N. What is the speed of the box at the bottom of the plane? a. 7.75 m/s b. 4.5 m/s c. 1.60 m/s d. 6.42 m/s e. 3.32 m/s
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 40.0-N box starts sliding from rest down a rough ramp 6.00 m long, inclined at 30.0 degrees from the horizontal. The magnitude of the friction force between the box and the ramp is 6.0 N. What is the speed of the box at the bottom of the plane?
a. 7.75 m/s
b. 4.5 m/s
c. 1.60 m/s
d. 6.42 m/s
e. 3.32 m/s
If a nonzero constant net external force acts on an object during a given period, which of the following statements must be true during that time?
a. The object accelerates
b. The magnitude of the object's velocity increases
c. The acceleration of the object is increasing
d. The object moves
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