Two blocks, of masses M = 2.3 kg and 2M are connected to a spring of spring constant k = 180 N/m that has one end fixed, as shown in the Figure-1. The coefficient of kinetic friction between the horizontal surface and the block is 0.12. The pulley is frictionless and has a negligible mass. The blocks are released from rest with the spring relaxed. (a) What is the work done by the friction on the block of mass M when the hanging block has fallen 8cm? (b) What is the combined kinetic energy of the two blocks when the hanging block has fallen 8 cm? (c) What maximum distance does the hanging block fall before momentarily stopping?
Two blocks, of masses M = 2.3 kg and 2M are connected to a spring of spring constant k = 180 N/m that has one end fixed, as shown in the Figure-1. The coefficient of kinetic friction between the horizontal surface and the block is 0.12. The pulley is frictionless and has a negligible mass. The blocks are released from rest with the spring relaxed. (a) What is the work done by the friction on the block of mass M when the hanging block has fallen 8cm? (b) What is the combined kinetic energy of the two blocks when the hanging block has fallen 8 cm? (c) What maximum distance does the hanging block fall before momentarily stopping?
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Two blocks, of masses M = 2.3 kg and 2M are connected to a spring of spring constant k = 180 N/m that has one end fixed, as shown in the Figure-1. The coefficient of kinetic friction between the horizontal surface and the block is 0.12. The pulley is frictionless and has a negligible mass. The blocks are released from rest with the spring relaxed.
(a) What is the work done by the friction on the block of mass M when the hanging block has fallen 8cm?
(b) What is the combined kinetic energy of the two blocks when the hanging block has fallen 8 cm?
(c) What maximum distance does the hanging block fall before momentarily stopping?
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