A pendulum oscillates 20 times in 4 seconds. Find its time period.
A. 0.05 sec.
B. 0.001 sec.
C. 0.2 sec.
D. 0.1 sec
Answer:C
A pendulum oscillates 20 times in 4 seconds. Find its time period.
A. 0.05 sec. B. 0.001 sec. C. 0.2 sec. D. 0.1 sec