4) A crate is at rest on an inclined plane. As the slope increases the crate remains at rest
until the incline reaches an angle of 32.7°from the horizontal. At this angle the crate
begins to slide down the ramp.
A) What is the coefficient of static friction between the crate and the surface of the
ramp?
B) If the coefficient of kinetic friction between the surface of the ramp and the crate is
Answers: 3
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The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
4) A crate is at rest on an inclined plane. As the slope increases the crate remains at rest
until...
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