Find the work done by each of the forces
A grocery cart with mass of 18 kg is pushed at a constant speed along an aisle by a force F = 12 N. the applied force acts at a 20 degree angle to the horizontal. find the work done by each of the forces on the cart if the aisle is 15 m long.
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It is then pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57.0 oscillations?
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