A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t. Note: The circumference of a circle is given by C=2πr.
-When the car has traveled halfway around the track, what is the magnitude of its displacement from the starting point?
A)r
B)2r
C)$\pi$r
D)2$\pi$r
E)zero meters

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The Answer of A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t. Note: The circumference of a circle is given by C=2πr.
-When the car has traveled halfway around the track, what is the magnitude of its displacement from the starting point?
A)r
B)2r
C)$\pi$r
D)2$\pi$r
E)zero meters

A Racecar, Traveling at Constant Speed, Makes One Lap Around π\piπ

A Racecar, Traveling at Constant Speed, Makes One Lap Around $\pi$