A particle moves in a circular path of radius 10 m with a constant speed of 5 m/

Practice Questions

Q1
A particle moves in a circular path of radius 10 m with a constant 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 constant speed of 5 m/s. What is the period of the motion?
  • Step 1: Identify the radius of the circular path, which is given as 10 m.
  • Step 2: Use the formula for the circumference of a circle, which is Circumference = 2πr.
  • Step 3: Substitute the radius into the formula: Circumference = 2π(10 m) = 20π m.
  • Step 4: Identify the constant speed of the particle, which is given as 5 m/s.
  • Step 5: Use the formula for the period of motion, which is Period T = distance/speed.
  • Step 6: Substitute the values into the formula: T = (20π m) / (5 m/s).
  • Step 7: Simplify the calculation: T = 4π s.
  • Circular Motion – Understanding the relationship between radius, speed, and period in uniform circular motion.
  • Circumference Calculation – Calculating the circumference of a circle using the formula 2πr.
  • Period of Motion – Determining the period of motion using the formula T = distance/speed.
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