Question

You serve a volleyball with a mass of 0.77 kg. The ball leaves your hand with a velocity of

2.33 m/s. Calculate the joules of kinetic energy of the ball.

Answer 1

Given :

• mass (m) = 0.77 kg

• velocity (v) = 2.33 m/s

Solution :

`\boxed{ \mathrm{Kinetic \: Energy = (1)/(2) m {v}^(2) }}`

• 
  `(1)/(2) * 0.77 * (2.33) {}^(2)`

• 
  `(418.0253)/(2)`

• 
  `209.01265 \: \: joules`

• 
  `\mathrm{209.01 \: \: joules} \: \: \: (approx)`

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