Math, asked by laxmi6763, 1 year ago

A train moving at 49 mph meets and is passed by a train moving at 63 mph. A passenger in the first train noted that the second train took 4.5 seconds to pass him. How long is the second train?

Answers

Answered by kamal4552
2

The effective speed between the trains:(49+63)mph =112 mph

lets assume that the passenger is constant and the second train is passing him at 112mph

lets find speed in feet/sec

(112 ×5280)/3600=164.2

therefore Length of 2^nd train =164.2 ×4.5=739 approximately

Answered by simpisingh317
1

Answer:

1625289 ×(49×63)×4.5

= 60×60

= 740.46

Step-by-step explanation:

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