Question

Suppose a yo-yo has a center shaft 0.220 cm in radius and that a string is...

Suppose a yo-yo has a center shaft 0.220 cm in radius and that a string is being pulled from it.

(a) If the string is stationary and the yo-yo accelerates away from it at a rate of 2.43 m/s2, what is its angular acceleration?
rad/s2

(b) What is the angular velocity after 0.750 s if it starts from rest?
rad/s

(c) The outside radius of the yo-yo is 3.50 cm. In the reference frame of the yo-yo's center of mass, what is the tangential acceleration of a point on its edge?
m/s2

Homework Answers

Answer #1

(a)angular acceleration ,

Given r =0.22cm =2.2*10-3m and a =2.43 m/s2

ANSWER:

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(b)Angular velocity ,

ANSWER:

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(c)acceleration,

ANSWER:

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