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Alphonse Moves Eastward in a Car at 30 M/s

Question 106

Multiple Choice

Alphonse moves eastward in a car at 30 m/s. Velma, moving eastward in a train at 70 m/s, passes him. Alphonse's velocity relative to Velma is

A) 100 m/s eastward.
B) 30 m/s westward.
C) 40 m/s eastward.
D) 40 m/s westward.
E) 100 m/s westward.

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