Asked by the dude

A man of height 1.4 meters walk away from a 5-meter lamppost at a speed of 2.9 m/s. Find the rate at which his shadow is increasing in length.
Answered by the dude
1.127 m/s
Answered by Reiny
I agree , except I had 1.127777...
which would round off to 1.128

It will depend on what accuracy you need, or if you are using the concept of significant figures.
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