1. If a body travels along the boundary of a circular park or radius r and completes one round in 10 minutes. What will be his displacement after 35 minutes?
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Answer:
In 10 min 1 complete revolution
Therefore in 30 min 3 revolution s
And in 5 min half revolution
So,
After 35 min it will complete 3½ revolution
Since now the shortest distance is the diameter
Therefore,
Displacement = 2r
Explanation:
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