Paris4life
14.10.2020 •
Physics
A bicycle rider sees a car up ahead, and slows down to avoid a collision. He starts off traveling at 15 m/s and slows down to 5 m/s in 7.5 s. Find the acceleration of the bike rider.
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Ответ:
Explanation:
Acceleration
is defined as the variation of Velocity 
in time 
:
In this case
and 
.
Therefore: