Question

28. The position of a particle moving in the xy-plane at any time

t

is given by

(3 6 )

2

x  t  t

metres,

( 2 )

2

y  t  t

metres. Select the correct statement about the moving particle from the following :

(a) The acceleration of the particle is zero at

t  0

second

(b) The velocity of the particle is zero at

t  0

second

(c) The velocity of the particle is zero at

t  1

second

(d) The velocity and acceleration of the particle are never zero​

Answer 1

e tunne nima ammani gagi helbidu shisya