Question

The driver of a car Steps on the
brakes, and the Velocity drops from
20 m/s to 8m/s in a time of 2 seconds. Find
his acceleration.​

Answer 1

Answer:

-12 meter per second square deceleration

Answer 2

5 m/s square

Explanation:

• Initial velocity, u=8m/s
• Final velocity, v=20m/s
• Time, t=2 seconds
• Acceleration, a= v-u/t
• =20-8/2
• =12/2
• Answer =6m/s2