F. Solve the following numerical problems.
1. A man runs around exact half the circumference of a circular park of diameter 40 m
What is the displacement of the man?
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Answer:
22.85m is the displacement of the man
Step-by-step explanation:
2×22/7×40/2=125.71/2=62.85m.
circumference of circle=2πr
radius=40m
half of circumference=62.85m
displacement of man=62.85-40=22.85m( because the man has ran a distance equivalent to the radius of the circle due to which the radius of circle would be minus from the half of circumference of the circle.)
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