Question
A force of $1.2 \mathrm{kN}$ moves a truck with $60 \mathrm{km} / \mathrm{h}$ up a hill. What is the power?
Step 1
We do this by multiplying the speed by 1000 (to convert kilometers to meters) and then dividing by 3600 (to convert hours to seconds). This gives us: \[60 \mathrm{km/h} = 60 \times \frac{1000}{3600} \mathrm{m/s} = 16.67 \mathrm{m/s}\] Show more…
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