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 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 period of the motion?
  • Step 1: Understand the problem. We have a particle moving in a circle with a radius of 10 meters and a speed of 5 meters per second.
  • Step 2: Recall the formula for the period (T) of circular motion: T = (2πr) / v, where r is the radius and v is the speed.
  • Step 3: Plug in the values into the formula. Here, r = 10 m and v = 5 m/s.
  • Step 4: Calculate the circumference of the circle using the formula 2πr. So, 2π * 10 = 20π meters.
  • Step 5: Now, divide the circumference by the speed to find the period: T = (20π) / 5.
  • Step 6: Simplify the calculation: 20π / 5 = 4π seconds.
  • Step 7: Conclude that the period of the motion is 4π seconds.
  • Circular Motion – The motion of a particle in a circular path, where the period is calculated using the radius and speed.
  • Period of Motion – The time taken to complete one full revolution in circular motion, calculated as T = (2πr)/v.
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