Question

A Race Car Is Traveling At ±76 M/ Swhen Is Slow Down At -9M/Sfor4 Seconds. What Is His New Velocity?

Answer 1

Answer:

Initial velocity = 76m/s ,Final velocity = 9m/s , Time = 4s .

Velocity = (Initial velocity + final velocity)/2

(76+9)/2 = 85/2 = 42.5

Therefore velocity = 42.5 m/s