A book is sitting on a shelf that is 3.0 meters off the ground. Kinetic energy is found using the formula 1/2 times mass times s
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The cyclist is moving by uniformly accelerated motion, with an initial velocity of 
and an acceleration of 
.
The acceleration is given by
where
is the final velocity and 
is the time between the end and the beginning of the motion, and in our case it is 1.75 s. Therefore, from this relationship we can find the final velocity:
The acceleration is given by
where