Question

Find the distance covered by a body if increases it's speed from 20 m/so to 60 m/so in 10 second.

Answer 1

Here's Ur answer..
Hope it helps...

Answer 2

v=u+at
60=20+10a
40/10=a
4m/s^2=a
v^2-u^2=2as
60^2-20^2=2×4×s
3600-400=8×s
3200=8×s
400m=s