Question
Consider the freight train. Suppose 15 boxcars pass by in a time of 14.0 s and each has a length of 14.0 m.
(a) What is the frequency at which each boxcar passes?
(b) What is the speed of the train?
(a) What is the frequency at which each boxcar passes?
(b) What is the speed of the train?
Answers
drwls
(a) 15 boxcars/14 s = 1.071 per second
(b) (15 boxcars*14 meters/boxcar)/14 s
= 15 meters/s
(b) (15 boxcars*14 meters/boxcar)/14 s
= 15 meters/s