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

Practice Questions

Q1
A particle moves in a circular path with a radius of 10 m at 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 with a radius of 10 m at a speed of 5 m/s. What is the time period of the motion?
  • Step 1: Identify the radius of the circular path. In this case, the radius (r) is 10 meters.
  • Step 2: Identify the speed of the particle. Here, the speed (v) is 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) / 5.
  • Step 5: Calculate the numerator: 2π * 10 = 20π.
  • Step 6: Divide the result by the speed: T = 20π / 5.
  • Step 7: Simplify the division: T = 4π seconds.
  • Circular Motion – The motion of a particle along a circular path, where the time period is calculated using the radius and speed.
  • Time Period Calculation – The time taken for one complete revolution around the circular path, derived from the formula T = (2πr)/v.
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