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A 50g man is walking at a speed of 4m/s. what is the kinetic energy of the walker?

A 50g man is walking at a speed of 4m/s. what is the kinetic energy of the walker?
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1 vote
A 50g man is walking at a speed of 4m/s. what is the kinetic energy of the walker?

User Eleonora
by
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1 Answer

5 votes
We have: K.E. = 1/2 mv²
Here: m = 50 g = 0.05 Kg
v = 4 m/s

Substitute their values,
K.E. = 1/2 * 0.05 * 4²
K.E. = 1/2 * 0.05 * 16
K.E. = 0.4 J

In short, Your Answer would be 0.4 Joules

Hope this helps!
User Ryanttb
by
8.5k points
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