Find the impulse of a 50. kg object under the following scenarios:
a. The object accelerates t...
Find the impulse of a 50. kg object under the following scenarios:
a. The object accelerates to 7.5 m/s from rest.
b. The object stops from a velocity of 12.0 m/s.
c. The object change in velocity from 2.2 m/s to 6.3 m/s.
d. The object hits the ground with 2.5 m/s and rebounds with the same speed
Answers: 1
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Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
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