The speed of a particle at the rim of a merry –go round is 6.9 m/s. The time to go around once is 10s Find

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The speed of a particle at the rim of a merry –go round is 6.9 m/s. The time to go around once is 10s Find

[From: ] [author: ] [Date: 12-01-23] [Hit: ]

6.r= 10.......

The speed of a particle at the rim of a merry –go round is 6.9 m/s. The time to go around once is 10 s.
Find the radius of the merry go round.

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v = 2πr / T

r = vT/ (2π) = 6.9*10 /(2π) = 11m
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v= 2*pi*r/t
substitute the values

6.9= 2*pi*r/10
69/2pi = r
r= 10.98 m

1

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