Author Question: A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of ... (Read 51 times)

RODY.ELKHALIL · **on:** Jul 29, 2018

A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of each loaded car is 37000kg and we can neglect friction on these 9 cars. If the train is accelerating forward at 0.

81m/s2 on a level track, what is the tension in the coupling between the second and third cars? (The car nearest the locomotive is counted as the first car.)

Question 2

Which of the following is not a wave?

A) light
B) water flowing down a river
C) ripples on the surface of a pond
D) All of these are waves.
E) None of these are waves.