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AP Physics C: Mechanics/Unit 1 – Kinematics
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Velocity in a Rotating Reference Frame

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The position of a particle in a stationary laboratory frame is given by r(t) = R(cos(ωt)i + sin(ωt)j). What is the velocity of the particle as measured in a reference frame that rotates with a constant angular velocity ω about the z-axis?

A

Rω(cos(ωt)i + sin(ωt)j)

B

Rω(-sin(ωt)i + cos(ωt)j)

C

0

D

Rω²(-cos(ωt)i - sin(ωt)j)

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