1- The initial velocity of the block in position A is 30 m/s. Knowing that the coefficient of kinetic friction between the block and the plane is uk = 0.30, determine the time it takes for the block to reach B with zero velocity. v = 0 В VA A Answer: t = 4.9s

1- The initial velocity of the block in position A is 30 m/s. Knowing that the coefficient of kinetic friction between the block and the plane is uk = 0.30, determine the time it takes for the block to reach B with zero velocity. v = 0 В VA A Answer: t = 4.9s

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

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Question

q1 please answer quickly

1- The initial velocity of the block in position A is 30 m/s. Knowing that the
coefficient of kinetic friction between the block and the plane is uk = 0.30,
determine the time it takes for the block to reach B with zero velocity.
v = 0
В
A
Answer: t = 4.9s

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