Mass from Kinetic Energy Change · PhysicsBowl 2014 #11

Physics · mechanics

Problem

A crate gains 36.036.0 JJ of kinetic energy while its speed is increased from 2.002.00 ms\frac{m}{s} to 4.004.00 ms\frac{m}{s}. Which one of the following choices best represents the mass of the crate? (A) 36.036.0 kgkg (B) 18.018.0 kgkg (C) 6.06.0 kgkg (D) 3.03.0 kgkg (E) 1.51.5 kgkg

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