Science
What is the force in the coupling between the 37th and 38th cars in Newtons?

### Question Description

Need help with my Physics question - I’m studying for my class.

A freight train consists of two 8.8 • 105-kg engines and 45 cars with average masses of 4.9 • 105 kg .
m1 = 8.8 • 105-kg     m2 = 4.9 • 105-kg          a = 4.8 4.8 • 10-2 m/s2         f = 7.9 • 105-kg

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