belle138 belle138

21-10-2017
Physics

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If you drop a rock from a height of 7.5m, it accelerates at g and strikes the ground 1.23718s later. If you drop the same rock from half the height, what will be it’s acceleration? The acceleration of gravity is 9.8 m/s^s.

If you drop a rock from a height of 75m it accelerates at g and strikes the ground 123718s later If you drop the same rock from half the height what will be its class=

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beeaans beeaans

22-10-2017

If it is falling vertically, I'm pretty sure that the acceleration is always g (-9.8m/s^2).

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