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melmarie98 melmarie98
  • 13-02-2017
  • Physics
Answered

An 8000-kg engine pulls a 40,000 kg train along a level track and gives it an acceleration a1 = 1.20 m/s 2 . What acceleration (a2) would the engine give to a 16,000-kg train?

Verified Answer :

briguy1999
briguy1999 briguy1999
  • 13-02-2017


a = F/(m1+m2)
1.2 = F/48,000
F = 57,600N

a = F/(m1+m3)
a = 57,600/24,000
a = 2.4 m/s^2

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