Multiple Choice
The figure represents a multiple- flash photo of two balls moving to the right, and shows both balls at several numbered times. The time between flashes is 0.20 s, and the large divisions on the measuring rod are centimeters. The speed of the lower ball is
A) 4.8 cm/s.
B) 6 cm/s.
C) 0.4 cm/s.
D) 1.2 cm/s.
E) 0.8 cm/s.
Correct Answer:

Verified
Correct Answer:
Verified
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