Physics, 26.11.2021 14:20 pyrkest4688
When a wave is transmitted from one substance to another, its will change. Unless it reaches the second substance at a right
angle, its direction will also change. What one word completes the
sentence?
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Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
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Who was the first scientist to measure speed as distance over time?
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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.)
Answers: 1
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