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Mathematics
OpenStudy (anonymous):

Two bullets have masses of 2.4 g and 4.8 g, respectively. Each is fired with a speed of 39.0 m/s. a) What is the kinetic energy of the first bullet? Answer in units of J 020 (part 2 of 3) 10.0 points b) What is the kinetic energy of the second bullet? Answer in units of J 021 (part 3 of 3) 10.0 points c) What is the ratio K2 K1 of their kinetic ener- gies?

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