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3. A 10 kg dog ran across a field at a speed of 12 m/s. How much kinetic energy did it have?
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3. A 10 kg dog ran across a field at a speed of 12 m/s. How much kinetic energy did it have?

User Rudolfs Bundulis
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Kinetic Energy = 1/2 * mass * velocity squared. Mass= 10kg. Velocity = 12 m/s. KE = 1/2 * mv^2 = 720 joules
User WVDominick
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