Question

Find the kinetic energy of a body of mass 5 kg moving with a uniform velocity of 10 m s^-1.

April 18, 2024

Answer

Mass (m) = 5 kg

Velocity (v) = 10 m / s

KE = $1\over 2$ × 5 × 10²= 250 J

💡 Some Related Questions

The figure alongside shows a simple pendulum of mass 200 g. It is displaced from the mean position A to the extreme position B. The potential energy at position A is zero. At position B the bob is raised by 5 m.
(a) What is the potential energy of the pendulum at position B ?
(b) What is the total mechanical energy at point C?
(c) What is the speed of the bob at position A when released from position B ? (Take g = 10 ms^-2)

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