Question
Question: A particle moves in a circle of radius 0.25 m at two revolutions per second. The acceleration of the...
A particle moves in a circle of radius 0.25 m at two revolutions per second. The acceleration of the particle in metre second2 is –
A
p2
B
8p2
C
4p2
D
2p2
Answer
4p2
Explanation
Solution
ac = w2r = (2p × 2)2 × 0.25 m