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1. Find the kinetic energy of a .023 kg bullet moving at 420 m/s.
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5 votes
1. Find the kinetic energy of a .023 kg bullet moving at 420 m/s.

User MrCooL
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1 Answer

5 votes

Answer:

Correct answer: Ek = 2,028.6 J

Step-by-step explanation:

Ek = m v²/2 = 0.023 · 220² = 0.023 · 176,400/2 = 2,028.6 J

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User Alex Dunae
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