The displacement of a body is given by `2 s= g t^(2)` where g is a constant. The velocity of the body at any time t is :

The dispacement of a body is given by 4s=M +2Nt^(4) , where M and N are constants. The velocity of the body at any instant is .

The dispacement of a body is given by 4s=M +2Nt^(4) , where M and N are constants. The velocity of the body at any instant is .

The displacement of a body is given by s=(1)/(2)g t^(2) where g is acceleration due to gravity. The velocity of the body at any time t is

The displacement of a body is given by s=(1)/(2)g t^(2) where g is acceleration due to gravity. The velocity of the body at any time t is

The displacement of a body is given by x = 2t^(3) - 6t^(2) + 12t + 6 . The acceleration of body is zero at time ti is equal to :

The displacement of body is given by s = 4 + 2t^4 . The acceleration of the body at the end of 1 s from the start is :

If the displacement of a body is given by x = 3 cos [ 2 pi t + pi/4] m, then the acceleration of the body at t=2s is

The displacement of a body at any time t after starting is given by s=15t-0.4t^(2) . The velocity of the body will be 7ms^(-1) after time :