Question

find the angular velocity when an object rotate 4 revolution in 10 minutes ​

Answer 1

Answer:

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Answer 2

Answer:

Given,

N0. of revolution, n=10, 1rev=2π

ω

0

=0rad/sec

θ=20π rad

t=4sec

2nd equation of motion in rotational motion,

θ=ωt+

2

1

αt

2

20π=0×4+

2

1

α(4)

2

α=2.5πrad/s

2