engineering physics MCQ #762

A particle is moving in a circular path of radius 1 m with a constant speed. If its centripetal acceleration is 4 m/s², what is its speed?

engineering physics MCQ #762

  1. Question 1

    Q1. A particle is moving in a circular path of radius 1 m with a constant speed. If its centripetal acceleration is 4 m/s², what is its speed?

    • A) 1 m/s
    • B) 2 m/s
    • C) 4 m/s
    • D) 8 m/s

    Answer: 2 m/s

    Explanation: Centripetal acceleration (a_c) is given by v²/r. So, v = √(a_c * r) = √(4 * 1) = 2 m/s.