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za0ca5sadelahkels za0ca5sadelahkels
  • 30-12-2016
  • Physics
Answered

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

Verified Answer :

Anonymous Anonymous
  • 07-01-2017

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!

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