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astraxan [27]
3 years ago
11

A man has a kinetic energy of 125J when he runs at 30m/s. What is the mass of the man?​

Chemistry
1 answer:
lesya692 [45]3 years ago
6 0

Answer:

\boxed{\bold { \Large {  \boxed {0.28 \ kg}}}}

Explanation:

Use kinetic energy formula

\sf \displaystyle K.E=\frac{1}{2} mv^2

Solve for m

\displaystyle 125=\frac{1}{2} m \times 30^2

m=0.2777..

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