A point on the rim of a 0.25 m radius rotating wheel has a centripetal acceleration...

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Question

A point on the rim of a 0.25 m radius rotating wheel has a centripetal acceleration...

A point on the rim of a 0.25 m radius rotating wheel has a centripetal acceleration of 4.0m/s2. What is the angular speed of the wheel?

4.0 rad/s is the correct answer.

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Answer 1

Answer #1

SOLUTION:

A point on the rim of a with radius rotating of wheel. r = 0.25 m
wheel has a centripetal acceleration, a_c = 4.0 m/s²

It is known by the formula for centri-petla acceleration,

a_c= rω²

Angualr speed, ω= √(a/r)

=√(4.0 m/s²/ 0.25 m)

= 4 rad/s

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Answer 2

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