For a moving body at any instant of time

The coordinate of a moving particle at any instant of time t are x = at and y = bt ^(2). The trajectory of the particle is

The coordinate of a moving particle at any instant of time t are x = at and y = bt ^(2). The trajectory of the particle is

The coordinates of a body moving in a plane at any instant of time t are x=alphat^(2) and y=betat^(2) . The speed of the body is.

The coordinates of a body moving in a plane at any instant of time t are x=alphat^(2) and y=betat^(2) . The velocity of the body is

The coordinates of a body moving in a plane at any instant of time t are x=alphat^(2) and y=betat^(2) . The velocity of the body is

The coordinates of a particle moving in XY-plane at any instant of time t are x=4t^(2),y=3t^(2) . The speed of the particle at that instant is

The coordinates of a particle moving in XY-plane at any instant of time t are x=4t^(2),y=3t^(2) . The speed of the particle at that instant is