Multiple Choice
An object of mass 1 kg is whirled round in a horizontal circle of radius 0.5 m on the end of a rope. When it rotates at 4 rev/s, the tension in the rope is:
A) 8 N
B) 158 N
C) 316 N
D) 632 N
Correct Answer:
Verified
Correct Answer:
Verified
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