Physics, asked by rajesh1678, 1 year ago

A particle moves along x-axis in such a way that it's position (x) varies with time(t) according to the expression x=(12t^2+7t+7)m

Answers

Answered by jaitrika
0
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Answered by suprito
1
Particle is moving along x-axis so displacement is also along x-axis 

Now , ⇒ x = 6t²-5t+2

since , V = dx/dt

Differentiating w.r.t. 't'

⇒ v = 6 × 2t - 5

⇒ v = 12t - 5

Hence initial velocity

v = 0-5 = -5 m/sec

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