Physics, asked by gmanuharshini4, 6 months ago

do the ii Roman , pls ?

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Answered by itz123456

1

Explanation:

Given

Time taken= 30sec.

radius = diameter /2

=20/2

=10m

speed = total distance in round trip/ time taken

=2πr/t × no of revolution

= 20π/30 ×2

=20π/15 m/s

Please mark my answer brainliest

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