Question

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It's so urgent....

Ram goes for a morning walk in a circular park daily. He complete one revolution of the park in 4 minute.
Find his speed if the diameter of the park is 420...


Pleasure solve with explanation.......

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Answer 1

Hello mate , here is your answer below ,

We know circumference of circular field is 2πr or πd

given diameter = 420m

circumference = (22/7)×420

= 1320 m

speed = distance / time

= 1320/4 min

= 1320 m / 240 s

=5.5m/s

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Answer 2

Answer:

5.495m/sec

Explanation:

total distance travel by Ram=3.14×420=1318.8

time taken to complete this distance =4min=240sec

so linear velocity =1318.8÷240=5.495m/sec