Question

If a train of freight cars, each 10
m long, rolls by you at the rate of
three cars each second, the
frequency is
1) 5 Hz
2) 4 Hz
3) 3 Hz
4) 2 Hz​

Answer 1

Answer:

train of freight cars, each 10

m long, rolls by you at the rate of

three cars each second, the

frequency is

Explanation:

5