A.) A 1328.0 g mass is on a horizontal surface with k = 0.32, and is in contact

Question

A.) A 1328.0 g mass is on a horizontal surface with k = 0.32, and is in contact with a massless spring with a force constant of 550.0 N/m which is compressed. When the spring is released, it does 8.91 J of work on the mass while returning to its equilibrium position. Calculate the distance the spring

was compressed.

B.)What is the velocity of the mass as it loses contact with the spring?

C.)How much work is needed to push a 137- kg packing crate a distance of 2.05 m up an inclined plane that makes an angle of 29 o with the horizontal, when

inclined plane is frictionless?

D.)the coefficient of friction between the crate and the inclined plane is 0.30?

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