Physics, 25.01.2020 06:31 braphi5609
Alead ball is dropped into a lake from a diving board 6.10 mm above the water. after entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. the ball reaches the bottom 4.50 ss after it is released. how deep is the lake?
Answers: 1
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If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?
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Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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Which of the following is an example of motion in two dimensions?
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While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.
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Alead ball is dropped into a lake from a diving board 6.10 mm above the water. after entering the wa...
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