A Child Is Riding a Merry-Go-Round, Which Has an Instantaneous

question 84

Multiple Choice

A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s². The child is standing 4.65 m from the center of the merry-go-round. What angle does the acceleration of the child make with the tangential direction?

• A) 90.0°
• B) 25.5°
• C) 32.5°
• D) 64.5°
• E) 45.0°

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