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A PARTICLE MOVES ALONG A STRAIGHT LINE SUCH THAT AT TIME T ITS DISPLACEMENT FROMA FIXED POINT O ON THE LINE IS 3T SQUARE – 2 WHOLE POWER M. THE VELOCITY OF THE PARTICLE WHEN T=2S IS

A PARTICLE MOVES ALONG A STRAIGHT LINE SUCH THAT AT TIME T ITS DISPLACEMENT FROMA FIXED POINT O ON THE LINE IS 3T SQUARE – 2 WHOLE POWER M. THE VELOCITY OF THE PARTICLE WHEN T=2S IS

Grade:9

1 Answers

Vikas TU
14149 Points
4 years ago
Hiii 
 
Displacement =  (3t2-2)m
Velocity = dX/dt 
so, v = m( (3t2-2)m-1*(6t)
Putting the value of t=2s 
we get
v = 12m (10)m-1 m/sec.
Hope this helps.
 
 

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