Physics, 17.10.2020 14:01 deadlydemon0500
A stone falls from rest from the top of a cliff. A second stone is thrown downward from the same height 2.1 s later with an initial speed of41.16 m/s. They hit the ground at the sametime. How long does it take the first stone to hit the ground? The acceleration of gravity is 9.8 m/s2.Answer in units of s.
Answers: 2
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Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
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Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
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A stone falls from rest from the top of a cliff. A second stone is thrown downward from the same hei...
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