1) You are standing on a merry go round with a radius of 1.2 m. Your...

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1) You are standing on a merry go round with a radius of 1.2 m. Your...

1) You are standing on a merry go round with a radius of 1.2 m. Your friend accelerates the merry go round from rest at a constant angular acceleration of 1.5 radians/s^2

A. What is your angular velocity after 4 seconds?

B. What is your angular velocity at the center of the merry go round

C. How far have you rotated in this time?

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Answer 1

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Initi al angular velocity 0 Angular acceleration α 1.5 rad/s time t 4s Angular velocity after 4 s is, -+at 0+ (15)(4)6 rad/s Angular velocity at the centre of the merry go roundis 6 rad/s Angular displacment (05)15)(4) -12 rad Linear distance covered Š_rЭ-(1.2) (12) 14.4 m

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