Physics, 17.12.2020 09:20 gbrightwell
A 11000-kg truck moving east (E) at 9 m/s collides with a 3000-kg car moving in the
opposite direction, west (W), at 45 m/s. If they stick together after the impact, how fast and, in what direction, will they be moving?
Please, show your work.
Answers: 3
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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A 11000-kg truck moving east (E) at 9 m/s collides with a 3000-kg car moving in the
opposite direct...
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