A Particle Moves in the Xy Plane in a Circle

question 1

Multiple Choice

A particle moves in the xy plane in a circle centered on the origin. At a certain instant the velocity and acceleration of the particle are m/s and m/s². What are the x and y coordinates of the particle at this moment?

• A)x = −4.4 m, y = 0
• B)x = +5.3 m, y = 0
• C)x = −5.3 m, y = 0
• D)x = +4.4 m, y = 0
• E)x = −1.8 m, y = 0

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Definitions:

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