Question

A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds?

Answer 1

The Correct answer to this question for Penn Foster Students is: 137.5 m

Answer 2

Initial velocity = 20m/s
Accelerations = 3m/s^2
Time taken = 5s


Using second equation of motion
ut+(1/2)at^2


Where, s is the distance covered by the body
u is initial velocity
a is acceleration and t is time taken by that body

= (20)(5)+(1/2)(3)(5)^2
=100 + 37.5
= 137.5


So, the total distance covered by the body in next 5s would be 137.5m