Question

calculate the average deceleration that the brakes can produce in m/s square

Answer 1

Deceleration is the opposite of acceleration. It is the rate at which an object slows down. Deceleration is the final velocity minus the initial velocity, with a negative sign in the result because the velocity is dropping. The formula for acceleration can be used, recognizing that the final result must have a negative sign.

deceleration = (final velocity - initial velocity) / time

d = (vf - vi)/t

d = deceleration

vf = final velocity

vi = initial velocity

t = time

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