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In uniformly accelerated motira the foll...

In uniformly accelerated motira the following questions hold :
V=Vo + at
`X=Vot + 1//2 at^2`
When X = displacement , V=Velocity at time, Vo= initial velocity, t=time , and a =acceleration. A ball is projected directly upward at a velocity of 15 m/sec.
What is Its velocity at that point ?

A

14.4 m/sec. downward

B

14.4 m/sec. upward

C

29.4 m/sec. downward

D

29.4 m/sec. upward

Text Solution

Verified by Experts

The correct Answer is:
A
V=`V_0` + at V = - 15 + (9.8)(3)
V=-15+29.4
i.e. V=14. m/sec. downward
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