Question

What’s the kinetic energy of the object? Use . KE = 1/2 mv 2

Erica is competing in the shot put event at a track meet. She hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. The shot’s kinetic energy is ____ joules

Answer 1

Heya mate!

Your answer is below ⤵⤵⤵⤵⤵

Mass=4kg

Speed or velocity=9m/s

Finding K.E=>

$KE= > \frac{1}{2} m {v}^{2}$

Now,put the values of mass and velocity.

$= > \frac{1}{2} \times 4 \times ({9})^{2}$

$= > 2 \times 81$

$= > 162Joules$

So,comes ur answer☺

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