Question

Consider the freight train in Figure below. Suppose 17 boxcars pass by in a time of 10.7 s and each has a length of 15.3 m. (a) What is the frequency at which each boxcar passes? (b) What is the speed of the train?

Answer 1

what is the time for each boxcar?
17/10.7
what is the frequency (hint 1/time)

speed= lengthboxcar*frequency