A 15 metric ton train moves toward the south at 60 m/s. At what speed must it tr

Question

A 15 metric ton train moves toward the south at 60 m/s. At what speed must it travel to have four times its original momentum? A metric ton is 1000 kg. Answer in units of m/s= (240) 1) At what speed must it travel to have a momentum of 4 A 15 metric ton train moves toward the south at 60 m/s. At what speed must it travel to have four times its original momentum? A metric ton is 1000 kg. Answer in units of m/s= (240) 1) At what speed must it travel to have a momentum of 4 A 15 metric ton train moves toward the south at 60 m/s. At what speed must it travel to have four times its original momentum? A metric ton is 1000 kg. Answer in units of m/s= (240) 1) At what speed must it travel to have a momentum of 4 1) At what speed must it travel to have a momentum of 4

Explanation / Answer

1) m = 1000 kg

p = mv

4 x 10^5 = 15000 x v

v = 26.67 m/s

2) 4 x 10^5 = (15000 +m) x 25

m = 1000 kg

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