Answered

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You serve a volleyball with a mass of 2.1kg the ball leaves your hand with a speed of 30 m/s. What is the kinetic energy of the ball?

Sagot :

Mohamed1429

Answer:

945 joules

Explanation:

the formula for kenetic energy is:

0.5 × m × v^2

where m is in (kg) ane (v) is in meter per second.

so we can just use the formula;

0.5 × 2.1 × 30^2

so the answer is 945 joules

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