A 72 kg bike racer climbs a 1200 -m-long section of road that has a slope of $4.3^{\circ} .$ By how much does his gravitational potential energy change during this climb?
Added by Elizabeth C.
Step 1
First, we need to find the vertical height of the climb. We can use the sine function to do this, since we know the length of the road and the angle of the slope. Show more…
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