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CBSE Class 9 Answered

9. a ball dropped from the top of the building reaches the ground in 3 sec. calculate (a) velocity w
Asked by rohanganu | 08 Jun, 2009, 12:31: PM
answered-by-expert Expert Answer

given that: t = 3 sec, u = 0, g = 9.8 m / s2

v = ?

v = u + a t = 0 + 9.8 x 3 = 29.4 m / s2

Answered by | 08 Jun, 2009, 03:56: PM

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