## Related questions with answers

Question

A shot-putter accelerates a 7.30-kg shot from rest to $14.0 \mathrm{~m} / \mathrm{s}$. If this motion takes $2.00 \mathrm{~s}$, what average power was supplied?

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 4Given the following data

$\begin{aligned} m&=7.30\ \mathrm{kg}\\ v&=14.0\ \mathrm{\dfrac{m}{s}}\\ \Delta t&=2.00\ \mathrm{s}\\ \end{aligned}$

we are to calculate the average power $\overline{P}$. To do so, we'll use

$\begin{equation} \overline{P}=\dfrac{W}{\Delta t} \end{equation}$

and the work-kinetic energy theorem,

$\begin{equation} W=\Delta K \end{equation}$

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