Acar of mass m accelerates from speed v1 to speed v2 while going up a slope that makes an angle θ with the horizontal. the coefficient of static friction is μs, and the acceleration due to gravity is g. find the total work w done on the car by the external forces. express your answer in terms of the given quantities. you may or may not use all of them.

The answer is

Explanation:

Here you have to take into account the theorem of work and energy.  This theorem says that the total work done by external forces on a body is used to modify the kinetic energy. So the only thing you have to do is determine the kinetic energy in the initial and final moment , then the diference between them is the amount of net work that act over the body.

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