Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 10-27 kg, moving with a speed of 4.20 106 m/skg · m/s(b) a 16.5-g bullet moving with a speed of 400 m/skg · m/s(c) a 72.0-kg sprinter running with a speed of 11.5 m/skg · m/s(d) the Earth (mass = 5.98 1024 kg) moving with an orbital speed equal to 2.98 104 m/s.kg · m/s

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