Question

farmer moves along the boundary of a circular field of radius 35 in 70 seconds

1. find the distance travelled by the farmer at the end of 2 hours 20 minutes

2. Also find the displacement after this time

3. How many rounds does he make during this time


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Answer 1

Explanation:

Perimeter of the field is 2πr = 2×22/7 ×35 = 220 unit

Distance travelled by farmer in 70s = 220m

Distance travelled by farmer in 1s= 220/70m

Distance travelled by farmer in 2hr 20min or in 8400s = 220/70×8400 m = 26400m =26.400km

Displacement is zero since the body is moving in

circular motion

He makes 26400m/220m round = 120 round.

This is the solution of this question.

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Answer 2

Answer:

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bcoz I'm also in 9th

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