Question

nitial velocity of a particle moving along a straight line is 5 m/s and acceleration is 3 m/s2 .The velocity of the particle at time t = 1/4 sec is​

Answer 1

Answer

Correct option is

A

1 m

Given,

u=10m/s

a=−2m/s

2

n=5

The distance covered by the particle in n

th

second is

S

n

=u+

2

a

(2n−1)

S

5

=10−

2

2

(2×5−1)

S

5

=10−9=1m