(a) 15 boxcars/14 s = 1.071 per second
(b) (15 boxcars*14 meters/boxcar)/14 s
= 15 meters/s
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?
1 answer