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JAMB Physics 2012 Question 10

Question 10

Motion

An object moves in a circular path of radius 0.5m with a speed of 1 ms−1. What is its angular velocity?

  1. A.8 rads−1
  2. B.4 rads−1
  3. C.2 rads−1
  4. D.1rads−1
Show the answer and explanation

Answer: C (2 rads−1)

Explanation

ω = v/r = 1 ÷ 0.5 = 2 rad s−1.