A runner has a speed of 5 m/s and a mass of 130 kg. What is his kinetic energy?

asked May 4, 2017 205k views

5 votes

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4 votes

We know that:
Ek=1/2mv²
Ek=1/2(130kg)(5m/s)²
EK=1625J

MowDownJoe answered May 5, 2017

7.6k points

4 votes

m= 130 kg

v= 5 m/s

kinetik energy = ½• m•v²

= ½ • 130• 5²
= ½•130•25
= ½•3250
= 1625.

Keith Rome answered May 8, 2017

7.1k points

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