Ask Question
15 September, 23:43

A pendulum of 50 cm long consists of small ball of 2kg starts swinging down from height of 45cm at rest. the ball swings down and strikes a bigger ball. what is the maximum kinetic energy of the 2kg bob

+1
Answers (1)
  1. 16 September, 00:22
    0
    Assuming that all energy of the small ball is transferred to the bigger ball upon impact, then we can say that:

    Potential Energy of the small ball = Kinetic Energy of the bigger ball

    Potential Energy = mass * gravity * height

    Since the small ball start at 45 cm, then the height covered during the swinging movement is only:

    height = 50 cm - 45 cm = 5 cm = 0.05 m

    Calculating for Potential Energy, PE:

    PE = 2 kg * 9.8 m / s^2 * 0.05 m = 0.98 J

    Therefore, maximum kinetic energy of the bigger ball is:

    Max KE = PE = 0.98 J
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A pendulum of 50 cm long consists of small ball of 2kg starts swinging down from height of 45cm at rest. the ball swings down and strikes a ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers