Frederica is sitting on a moving train. She watches the telephone poles fly past. She knows that the poles in this area are 1/4

Question

3 years ago

9

Frederica is sitting on a moving train. She watches the telephone poles fly past. She knows that the poles in this area are 1/4

mile apart. Every minute, 5 poles pass her. In the reference frame of the poles, how fast is the train moving?
A.
2 miles/min
B.
1.3 miles/min
C.
0.80 miles/min
D.
0.50 miles/min

Chemistry

1 answer:

kupik [55] · Answer 1 · 2022-02-17T07:10:54+03:00

kupik [55]3 years ago

8 0

B
1 mile=4 poles
if 5 poles pass by than she´s going around 1.25 miles per min
rounded up = 1.3 mil/min