engineering physics MCQ #3711

A 1000 kg car accelerates from 0 to 20 m/s in 5 s. What is its average power?

engineering physics MCQ #3711

  1. Question 1

    Q1. A 1000 kg car accelerates from 0 to 20 m/s in 5 s. What is its average power?

    • A) 2000 W
    • B) 4000 W
    • C) 40000 W
    • D) 80000 W

    Answer: 40000 W

    Explanation: P = ΔKE / t = (1/2) * m * (v² - u²) / t = (1/2) * 1000 * (20² - 0²) / 5 = 40000 W.