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A 1.40 kg snowball is fired from a cliff 9.52 m high with an initial velocity of 17.9 m/s, directed 30.0 above the horizontal.
A 1.40 kg snowball is fired from a cliff 9.52 m high with an initial velocity of 17.9 m/s, directed 30.0 above the horizontal. (a) Using energy techniques, find the speed of the snowball as it reaches the ground below the cliff. What is that speed (b) if the launch angle is changed to 30.0 below the horizontal and (c) if the mass is changed to 3.40 kg?
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a Using energy conservation the initial potential energy of the snowball when it is at the cliffs ed...
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
