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 4.85 106 m/s
kg · m/s
(b) a 17.5-g bullet moving with a speed of 330 m/s
kg · m/s
(c) a 74.0-kg sprinter running with a speed of 10.5 m/s
kg · 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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