A passenger sitting at the window of a train moving at a speed of υ1 = 72 km / h sees an oncoming train traveling
| December 3, 2020 | education
A passenger sitting at the window of a train moving at a speed of υ1 = 72 km / h sees an oncoming train traveling at a speed of υ 2 = 32.4 km / h for 10 s. Determine the length of the oncoming train.
The speed of the oncoming train relative to the passenger will be: V = V1 + V2 = 29m / s (we translate km / h into m / s), which means that its length will be: S = Vt, => S = 290m
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