the velocity v of a body moving along a straight line varies with time t as v=2t^2e^{-t},where v is in m/s and t is in second. the acceleration of body is zero at t

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Q. The velocity V of a body moving along a straight line varies with time

t

v = 2 t^{2} e^{- t}

, where v is in m/s and

t

in second . The acceleration of body is zero at

t

Q. The velocity of a body moving along a straight varies with time as

V = t^{2} - 4 t m / s

, find the average acceleration of the body during an interval

t = 1 s e c

t = 3 s e c

Q. A particle is moving in straight line. The velocity v of the particle varies with time t as

v = t^{2} - 4 t

. then the distance traveled by the particle in

t = 0

t = 6 s

(where $t$ in second and v is in m/s )

Q. A body moves in a circle of radius

1 m

, whose speed varies with time

t

(in

s

) as

v = 2 t^{2} m s^{- 1}

. Find the net acceleration at

t = 2 seconds

Figure shows the acceleration – time ( $a - t$ ) graph of a body moving in a straight line. Which graph in figure shows the velocity – time ( $v - t$ ) graph of the motion of the body? (Assume that $x = 0$ and $v = 0$ at $t = 0$ )

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