Question

Calculate the kinetic energy of a ball of mass 20kg moving with a speedof 15 m/s​

Answer 1

$ke = \frac{1}{2} m {v}^{2}$

$ke = \frac{1}{2} \times 20 \times 15 \times 15$

$ke = 10 \times 15 \times 15$

$ke = 2250 \: joule$

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Answer 2

Answer:

k=1/2mv^2.........

m=20 kg and v=15 m/s

Explanation:

=1/2×(20×15×15)

=1/2×4500

=2250

ans is..k= 2250kg m/s

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