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College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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As shown in the figure below, a box of mass m = 31.0 kg is sliding along a horizontal frictionless surface at a speed vi = 7.95 m/s when it encounters a ramp inclined at an angle of ? = 23.6°.
The coefficient of kinetic friction between the ramp and the box is ? = 0.0704 and the box slides a distance d up the ramp before coming momentarily to rest.
Determine the distance (in m) the box slides up the ramp before coming momentarily to rest.

Transcribed Image Text:rough
surface.
frictionless
surface
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- Two crates of fruit are released from the top of a ramp inclined at 30 degrees from the horizontal and 4.5 meter long. The two crates consist of an apple crate of mass 20 kg that is placed in front of a watermelon crate of mass 80 kg. The apple crate has a coefficient of friction of 0.20 while the watermelon crate has a coefficient of friction of 0.15. How long does it take the apple crate to reach the bottom of the incline if it needs to travel a distance of 4.5 meters?arrow_forwardA cord passing over a pulley connects two masses, as shown, where m, = 3.60 kg and m, = 7.10 kg. The system accelerates with a magnitude of 1.34 m/s?. The coefficient of kinetic friction between the masses and the incline is the same for both masses. Assume the pulley is frictionless, and the cord is massless. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) m2 m, 35.0° 35.0° (a) What is the coefficient of kinetic friction? (b) What is the tension (in N) in the cord?arrow_forwarda rock climber on a rock slab. The coefficient of kinetic friction between the climber's rock climbing shoes and the rock is 0.70. If the climber slide down the rock starting from rest, the amount of time it will take the climber to slide to the edge of the rock slab is? distance=16.4 m and theta is 68 degrees.arrow_forward
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