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A 4.4 kg mass is falling starting from rest at a height of 22 m How much time does it take for the mass to reach the ground?
Wiki User
∙ 13y ago
x = 1/2 g T2
T2 = 2x / g
T2 = 2 (22) / 9.8
T = sqrt( 44 / 9.8 ) = 2.119 seconds (rounded)
Note:
The mass makes no difference, and we don't care what it is.
Pebbles and boulders hit the ground at the same time.
Wiki User
∙ 13y ago
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