Which of the following is a vector quantity?
A. Distance
B. Speed
O C. 30 m/s
D....
Physics, 22.07.2020 06:01 aroman4511
Which of the following is a vector quantity?
A. Distance
B. Speed
O C. 30 m/s
D. 9.8 m/s2 down
Answers: 3
Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
Answers: 3
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If the force applied to an object remains constant, is more power needed for the object to move faster ? explain
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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?
Answers: 1
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