What is the deceleration of a bicycle that goes from 40m/s to 20m/s in 5 seconds

Explanation:

The acceleration of the bycicle is given by:

where

v = 20 m/s is the final velocity of the bike

u = 40 m/s is the initial velocity

t = 5 s is the time interval

Substituting numbers, we find

and the acceleration is negative, which means that the bycicle is slowing down.

the force on the thing and the distance the force moves the thing

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