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Grade: 12

                        

Position time graph of a particle moving along straight line is shown which is in the form of semi-circle starting from t = 2 to t = 8 s. Select correct statement.

2 years ago

Answers : (1)

Khimraj
3007 Points
							
from graph equation of parabola is
x = (t-2)(t-8) 
x = t2 – 10t +16
differentiating wrt time
v = 2t – 10             – (1)
differentiating wrt time
a = 2                     – (2)
frrom equation (1) and (2) it is clear that
velocity of particle is oppostite to accelerationfrom t = 2 to t =5
Hope it clears. If you like answer then please approve it.
2 years ago
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