Question

given that is equal to 10 + 5t the final velocity after 5 seconds​

Answer 1

Answer:

Correct option is B)

v

i

=10 m/s and v

f

=20 m/s

Acceleration of the body =

5

20−10

m/s

2

a=2 m/s

2

Velocity of the body at t=−3 sec

v=u+at

v=10−2×3

v=4 m/s