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A ball thrown straight upward returns to its original level in 2.80 s . A second ball is thrown at an angle of 44.0 degrees above the horizontal. What is the initial speed of the second ball if it also returns to its original level in 2.80 s ?
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An object traveling with a speed of 37.7 suddenly experiences a constant acceleration of 7.71 m/s 2 . What distance does this object travel in 6.48 seconds?
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You throw two balls of equal masses ( m =0.992 kg) vertically upward at an interval of Δ t = 1.41 seconds with the same initial speed of v i=35.3 m/s from the same height. At what height will they collide, measured rel ...
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