A 25.0 kg box of textbooks rests on a loading ramp thatmakes an angle a with the horizontal. The coefficient of kinetic frictionis 0.25, and the coefficient of static friction is 0.35. As a is increased, find the minimum angle at which the box starts to slip.
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A 25.0 kg box of textbooks rests on a loading ramp that
makes an angle a with the horizontal. The coefficient of kinetic friction
is 0.25, and the coefficient of static friction is 0.35. As a is
increased, find the minimum angle at which the box starts to slip.
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