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When a stone is falling from a mountain its initial velocity is 0 and acceleration due to gravity is 9.8m/s2.Velocity of stone is given by v = 9.8 t.Draw its graph and find the velocity of stone after 4 secs ?

Asked by nisha_vini29 27th January 2016, 2:04 PM
Answered by Expert
Answer:

 

v=9.8t

The graph of 'v' vs 't' is a straight line passing through the origin with slope 9.8

The velocity after 4 secs can be found by substituting t=4 in the equation.

Hence, 'v' after 4 secs= 9.8X4= 39.2 m/s

Answered by Expert 27th January 2016, 6:16 PM
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