# Physics B

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Part 1
Calculate the magnitude of the linear momentum for each of the following cases:
A proton with mass 1.67×10
−27
kg moving
with a speed of 5.24 × 10
6 m/s.
Answer in units of kg · m/s

Part 2
A 15.1 g bullet moving with a speed of
327 m/s.
Answer in units of kg · m/s

Part 3
A 74.9 kg sprinter running with a speed of
13.8 m/s .
Answer in units of kg · m/s

Part 4
Earth (mass = 5.98 × 10
24
kg) moving with
an orbital speed equal to 28803.3 m/s .
Answer in units of kg · m/s

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