Question
Asked Nov 17, 2019
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Which has more kinetic energy: a 0.0019-kg bullet traveling at 412 m/s or a 7.3 x 107-kg ocean liner traveling at 10 m/s (19 knots)?

Justify your answer.
Ek-bullet =
__ J
Ek-ocean liner =
__ J

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Expert Answer

Step 1

The equation for the kineti...

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1 - mv (1) Ex 2 Here, E is the kinetic energy of the object, m is the mass of the object and v is the speed of the object. The kinetic energy is proportional to mass and square of speed of the object. Since the bullet has greater mass and greater speed, it will have greater kinetic energy than the ocean liner

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Science

Physics

Work,Power and Energy

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