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Advanced Physics
1. Blocks A = 6 kg and B = 3 kg are connected by rope and pulley with negligible mass and frictionless. Initially the blocks move at constant speed 1 m/s. (a) Calculate the coefficient of kinetic friction between the block A and the table, if the blocks come to rest after moving 2 m. (b) What is the speed of the block B after it has descended 2 m? When the blocks move 0.75 m, how much work is done (c) on the block B by (i) gravity and (ii) the tension in the string? (d) On the block A by (i) gravity, (ii) the tension in the string, (iii) friction, and (iv) the normal force? (e) Find the total work done on each block.

1. Blocks A = 6 kg and B = 3 kg are connected by rope and pulley with negligible mass and frictionless. Initially the blocks move at constant speed 1 m/s. (a) Calculate the coefficient of kinetic friction between the block A and the table, if the blocks come to rest after moving 2 m. (b) What is the speed of the block B after it has descended 2 m? When the blocks move 0.75 m, how much work is done (c) on the block B by (i) gravity and (ii) the tension in the string? (d) On the block A by (i) gravity, (ii) the tension in the string, (iii) friction, and (iv) the normal force? (e) Find the total work done on each block.

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1. Blocks A = 6 kg and B = 3 kg are connected by rope and pulley with negligible mass and frictionless. Initially the blocks move at constant speed 1 m/s. (a) Calculate the coefficient of kinetic friction between the block A and the table, if the blocks come to rest after moving 2 m. (b) What is the speed of the block B after it has descended 2 m? When the blocks move 0.75 m, how much work is done (c) on the block B by (i) gravity and (ii) the tension in the string? (d) On the block A by (i) gravity, (ii) the tension in the string, (iii) friction, and (iv) the normal force? (e) Find the total work done on each block.
Transcribed Image Text:1. Blocks A = 6 kg and B = 3 kg are connected by rope and pulley with negligible mass and frictionless. Initially the blocks move at constant speed 1 m/s. (a) Calculate the coefficient of kinetic friction between the block A and the table, if the blocks come to rest after moving 2 m. (b) What is the speed of the block B after it has descended 2 m? When the blocks move 0.75 m, how much work is done (c) on the block B by (i) gravity and (ii) the tension in the string? (d) On the block A by (i) gravity, (ii) the tension in the string, (iii) friction, and (iv) the normal force? (e) Find the total work done on each block.
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