Physics, 03.06.2021 20:40 kcopeland210
A 1.2 kg rock is falling at a speed of 14 m/s when it is 9.2 m above the ground. Calculate its kinetic energy when it is 2.6 m above the ground.
Answers: 1
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Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.
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Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
A 1.2 kg rock is falling at a speed of 14 m/s when it is 9.2 m above the ground. Calculate its kinet...
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