A particle moves in a straight line with an acceleration a m/s^(2) at time t seconds,where a=-(1)/(t^(2)) .When t=1 the particle has a velocity of 3m/s .If the velocity of the particle at t=4s is (9)/(n)ms^(-1) The value of n is

A particle moves in a straight line with an acceleration a ms^-2 at time 't' seconds where a = - (1)/(t^2) When t = 1 the particle has a velocity of 3 ms^-1 . Find the velocity of the particle at t = 4 s .

A particle moves in a straight line with an acceleration a ms^(-2) at time 't' seconds where a =-(1)/(t^(2)) . When t = 1 the particle has a velocity of 3ms^(-1) then the velocity when t = 4 is (v)/(4) . Find the value of v.

Starting from rest a particle moves in a straight line with acceleration a = (25 - t^(2))^(1//2) m//s^(2) " for " 0 le t le 5s a = (3pi)/(8) m//s^(2) " for " t gt 5s The velocity of particle at t = 7 s is:

Starting from rest, acceleration of a particle is a = 2t (t-1) . The velocity of the particle at t = 5s is

The acceleration of a particle varies with time t as a=t^(2)+t+2 where t is in seconds. The particle starts with an initial velocity v-3m/s at t=0. find the velocity of the particle at the end of 5s.

A particle moves along a straight line such that its displacement at any time t is given by s = 3t^(3)+7t^(2)+14t + 5 . The acceleration of the particle at t = 1s is

A particle starts from rest at t=0 and moves along a straight line with a variable acceleration given by a (t)=(3t+1)ms^(-2) ,where t],[ is in seconds.The velocity of the particle at t=4s is

A particle moves along a straight line such that its displacement s at any time t is given by s=t^3-6t^2+3t+4m , t being is seconds. Find the velocity of the particle when the acceleration is zero.

A particle moves in a straight line as s =alpha(t-4)+beta(t-4)^(2) . Find the initial velocity and acceleration.

The velocity-time graph of a particle moving along a straight line is shown is . The rate of acceleration and deceleration is constant and it is equal to 5 m s^(-2) . If the a average velocity during the motion is 20 m s^(-1) , Then . The value of t is.