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What is the kinetic energy of a 10 g bullet moving at 300 m/s?

What is the kinetic energy of a 10 g bullet moving at 300 m/s?
          Kinetic energy  =  (1/2) (mass) (speed)²mass of the bullet  =  10 grams  =  0.01 kilogramspeed of the bullet = 300 m/s          Kinetic energy = (1/2) (0.01 kg) (300 m/s)²                                =   (0.005 kg)  (90,000 m²/s²)                                =    (0.005 x 90,000)  kg-m²/s²                                =         450 kg-m²/s²                                =         450 joules      ...

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