Answer:
-35 [tex]m/s^2[/tex]
Explanation:
Deceleration is the complete opposite of acceleration and is calculated by adding a negative sign to the formula for finding acceleration.
Since acceleration is calculated by diving the change in velocity with time, deceleration will become:
Deceleration = -Δv/t, where Δv = change in velocity and t = time
In this case, Δv = 70 m/s and t = 2 s, hence;
Deceleration = -70/2 = -35 [tex]m/s^2[/tex]
The deceleration is 35 [tex]m/s^2[/tex].
