A particle moves in a circular path of radius 10 m with a speed of 5 m/s. What i

Practice Questions

Q1
A particle moves in a circular path of radius 10 m with a speed of 5 m/s. What is the time period of the motion?
  1. 2π s
  2. 4π s
  3. 10 s
  4. 20 s

Questions & Step-by-Step Solutions

A particle moves in a circular path of radius 10 m with a speed of 5 m/s. What is the time period of the motion?
Correct Answer: 4π s
  • Step 1: Identify the radius of the circular path, which is given as 10 meters.
  • Step 2: Identify the speed of the particle, which is given as 5 meters per second.
  • Step 3: Use the formula for the time period T of circular motion, which is T = 2πr / v.
  • Step 4: Substitute the values into the formula: T = 2π(10 m) / (5 m/s).
  • Step 5: Calculate the numerator: 2π(10 m) = 20π m.
  • Step 6: Calculate the time period: T = 20π m / (5 m/s).
  • Step 7: Simplify the calculation: T = 4π seconds.
  • Circular Motion – The motion of a particle along a circular path, where the time period can be calculated using the radius and speed.
  • Time Period Calculation – The time taken for one complete revolution in circular motion, calculated using the formula T = 2πr/v.
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