Problem 6: A constant force F changes the speed of 80
kg sprinter (athlete) from 3 m/s to 4 m/s in 0.5 seconds. Calculate the
acceleration of the sprinter.
Answer
Given: vi = 3 m/s, vf = 4 m/s, t = 0.5 sec
Required: Acceleration of the sprinter, a
Formula: vf = vi + at
Put the values,