2. a) (Assume the ropes and the pulley have negligible mass and that friction and air resistance can be ignored). The two masses in the Atwood's machine shown in the figure are initially at rest and at the same height. After they are released, the large mass of 7.5 kg, falls through a height h = 46 cm and hits the floor, and the small mass of 3.5 kg, rises through the same height h. Calculate the speed of the masses right before m, hits the ground. Include units in your answer. und the system will come to a complete stop.
2. a) (Assume the ropes and the pulley have negligible mass and that friction and air resistance can be ignored). The two masses in the Atwood's machine shown in the figure are initially at rest and at the same height. After they are released, the large mass of 7.5 kg, falls through a height h = 46 cm and hits the floor, and the small mass of 3.5 kg, rises through the same height h. Calculate the speed of the masses right before m, hits the ground. Include units in your answer. und the system will come to a complete stop.
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Hi I need help with this physics practice question.
Transcribed Image Text:2.
a) (Assume the ropes and the pulley have negligible mass and that friction and air resistance
can be ignored).
The two masses in the Atwood's machine shown in the figure are initially at rest and at the
same height.
After they are released, the large mass of 7.5 kg , falls through a height h = 46 cm and hits
the floor, and the small mass of 3.5 kg, rises through the same height h.
Calculate the speed of the masses right before m, hits the ground. Include units in your
answer.
b) Once the mass m; reaches the ground, the system will come to a complete stop.
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