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A 0.5 kg tennis ball has speed of 15m/s. what is the kinetic energy of tennis?
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A 0.5 kg tennis ball has speed of 15m/s. what is the kinetic energy of tennis?

User Nidomiro
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2 Answers

4 votes

Answer:

Step-by-step explanation:

56.25J

User Peter Hawkins
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56.25J because the formula for kinetic energy is Ek=1/2 x mass x velocity^2
Ek= 1/2 x 0.5 x 15^2
= 56.25J
User Anana
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