द नंबर ऑफ नोट्स बाय व्हिच एनिमल रिपोर्ट यू आर टू 349
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Imagine an object body is falling freely for time t seconds, with final velocity v, from a height h, due to gravity g.
...
The formula for free fall:
h= 1 2 g t 2 \frac{1}{2}gt^2 21gt2.
v²= 2gh.
v=gt.
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