Question

for body starting from rest what will be the displacement in 10 seconds when it accquires the speed of 9m/s in 2 seconds

Answer 1

t = 10 sec
speed = 9m/sec
displacement= speed × time
d= 9×10= 90 m

hope this is helpful;)

Answer 2

speed=distance/time
9/2 = 4.5
so speed of body is 4.5metre per second
distance = speed × time
4.5×10 = 45m .
now displacement
= speed × time
= 10×9
=displacement = 90m answer
pls mark my answer as brainlist.