Question

:
The motion of a particle is described by the equation
u=at. The distance travelled by the particle in the first
4 sec
(a) 4a
(b) 12a
(c) 6a
(d) 8a​

Answer 1

hii mate !!!

u = dx/dt

at = dx/dt

dx = at× dt

On integrating,

f dx = a f t dt

x = 1/2at×t

= 1/2 a×4×4

= 8a

HOPE IT HELPS U...