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Question1

A particle of mass m is attracted towards the origin under an influence of a force F=ma/x^3.

a) Find out potential energy

b) Assume that the particle is initially at rest at distance d from an origin.

Find the period it takes to reach the origin

Question2

A box is sliding up an incline that makes an angle of 15 degrees with respect to horizontal. The coefficient of kinetic friction between box and surface is 0.180. The initial speed of the box at the bottom of the incline is 1.50 m/s. How far does box travel along the incline before coming to rest?

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Category:- Physics
Reference No.:- M9135012

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