Question: A constant force F = Foer acts on an object of mass m placed on a horizontal surface. Here er is the unit vector in

A constant force F = Foer acts on an object of mass m placed on a horizontal surface. Here er is the unit vector in the positive direction of X axis. The coefficient of friction between the object and the surface is . It is given that initial velocity of the object is voer, the acceleration due to gravity is g, and Fo > umg. (a) Applying laws of kinematics, find the veclocity of the object after a displacement of s = Ser. [8] (b) Using the relationship between work and kinetic energy, find the veclocity of the object after a displacement of $ = sex. (Check if answers to part a and part b are the same.) [12]

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