A block of mass M 2 kg starts from rest from the top of an inclined plane of length L= 69 cm and angle of inclination 0 = 45 °. If pk = 0.3333 is the coefficient of kinetic friction between both surfaces, then the speed of the block at the end of the plane will be:

A block of mass M 2 kg starts from rest from the top of an inclined plane of length L= 69 cm and angle of inclination 0 = 45 °. If pk = 0.3333 is the coefficient of kinetic friction between both surfaces, then the speed of the block at the end of the plane will be:

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter9: Dynamics Of A System Of Particles

Section: Chapter Questions

Problem 9.63P

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

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A block of mass M = 2 kg starts from rest from the top of an inclined plane of length L= 69 cm and angle
of inclination 0 = 45 °. If pk = 0.3333 is the coefficient of kinetic friction between both surfaces, then the
speed of the block at the end of the plane will be:
a) v = 2.5249 m/s
b) v = 3.5708 m/s
c) v = 6.3753 m/s
d) v= 12.7506 m/s

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