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Can you help me to count 1,000 grams of objects from a height of 20 meters 50 meters the speed of yo

Jimmy God 12342010-04-24 10:11:39 +0000 #1

wawa_fmy2010-04-24 10:18:33 +0000 #2
Solution: the whereabouts of speed and quality of related objects general g = 10 for each square of the second

under Vt = Vo + gt (Free Falling initial velocity Vo = 0) H = 1/2gt * t

20 = 0.5 * 10 * t * t solution of t = 2s

under Vt = gt = 10 * 2 = 20m / s

50 = 0.5 * 10 * t * t t = Solution No. 10

Vt = root gt = 10 * 10 = 10 times the radical roots of 10

A: The landing speed was 20m / s

and 10 times the roots and 10m / s.

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