A Long Thin Rod of Length 2L Rotates with a Constant

question 30

Multiple Choice

A long thin rod of length 2L rotates with a constant angular acceleration of 8.0 rad/s2 about an axis that is perpendicular to the rod and passes through its center.
-What is the ratio of the centripetal acceleration of a point on the end of the rod to that of a point a distance L/2 from the end of the rod?

• A)1:1
• B)1:2
• C)2:1
• D)4:1
• E)1:4

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