A 400 g ball rolls on a horizontal table with a simple speed of 15 m / s. What is its kinetic energy?

univerkov | November 23, 2020 | education

Given:
m = 400g. = 0.4 kg.
v = 15cm / s. = 0.15m / s.
To find:
Ek =?
Decision:
Ek. = (M * V ^ 2) / 2.
Ek. = 0.4 * 0.15 ^ 2/2 = 0.0045J.
Answer: 0.0045J.

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