a) The 100.0kg crate is at rest on a horizontal surface with a coefficient of static friction of 0.90, how hard must one push horizontally to cause the crate to just begin to move forwards (1mk or 0 mk) b) Now assume that the crate is moving and that the coefficient of kinetic friction is 0.80. If the amount of force found in your answer to part a is applied horizontally find the acceleration of the crate

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