Question

A body starts with a velocity of 36 km/hr. If it moves with a uniform acceleration of 1 m/sec. Its velocity after 5 seconds is
A) 50 m/sec
B) 15 m/sec
C) 180 m/sec
D) 7.12 m/hr​

Answer 1

Answer:

u=10m/s a=1m/s^2 v=u+at = v=10+1*5=15

Answer 2

Answer:

u=36km/h =36×5/18=10m/sec

a=1m/sec²

t=5sec

v=u+at

v=10+1×5

v=15m/sec

option (B) is correct