A car is moving in a circular path of radius 50 m with a speed of 15 m/s. What i

Practice Questions

Q1
A car is moving in a circular path of radius 50 m with a speed of 15 m/s. What is the angular displacement after 10 seconds?
  1. 1 rad
  2. 2 rad
  3. 3 rad
  4. 4 rad

Questions & Step-by-Step Solutions

A car is moving in a circular path of radius 50 m with a speed of 15 m/s. What is the angular displacement after 10 seconds?
  • Step 1: Identify the given values. The speed of the car (v) is 15 m/s, the radius of the circular path (r) is 50 m, and the time (t) is 10 seconds.
  • Step 2: Use the formula for angular displacement (θ) which is θ = (v/r) * t.
  • Step 3: Calculate the ratio of speed to radius (v/r). This is 15 m/s divided by 50 m, which equals 0.3.
  • Step 4: Multiply the result from Step 3 by the time (t). So, 0.3 * 10 seconds equals 3 radians.
  • Step 5: Conclude that the angular displacement after 10 seconds is 3 radians.
  • Circular Motion – Understanding the relationship between linear speed, radius, and angular displacement in circular motion.
  • Angular Displacement Calculation – Using the formula θ = (v/r)t to calculate angular displacement based on linear speed, radius, and time.
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