mklemetsmo mklemetsmo
  • 13-01-2020
  • Physics
contestada

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the energy.

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MathPhys
MathPhys MathPhys
  • 13-01-2020

Answer:

945 J

Explanation:

KE = ½ mv²

KE = ½ (2.1 kg) (30 m/s)²

KE = 945 J

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