menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
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, 3 poles pass her. In th…
Ask a Question
Questions
Unanswered
Tags
Ask a Question
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, 3 poles pass her. In th…
asked
Jul 3, 2018
224k
views
1
vote
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, 3 poles pass her. In the reference frame of the poles, how fast is the train moving?
Mathematics
middle-school
Marcus Erronius
asked
by
Marcus Erronius
7.8k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
If every minute 3 poles past and poles are 1/4 mile (0.25 mile) apart;
3x0.25 = 0.75
Train moves 0.75 mile/per minute
If you want the train's speed per hour, then;
x = 60x0.75
x= 45miles per hour is the speed of the train
Bluetoba
answered
Jul 9, 2018
by
Bluetoba
8.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Mar 23, 2018
40.4k
views
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
Juliomalegria
asked
Mar 23, 2018
by
Juliomalegria
8.7k
points
Chemistry
middle-school
1
answer
0
votes
40.4k
views
asked
Mar 28, 2024
56.0k
views
What was the name of the first British fort constructed in Georgia? a. Fort Frederica b. Fort Pulaski c. Fort Oglethorpe d. Fort McAllister
EricGS
asked
Mar 28, 2024
by
EricGS
8.2k
points
History
high-school
1
answer
5
votes
56.0k
views
asked
Nov 12, 2024
61.7k
views
What was the name of the first British fort constructed in Georgia? A. Fort Guale. B. Fort Frederica C. Fort King George D. Fort Santa Catalina
Dhpiggott
asked
Nov 12, 2024
by
Dhpiggott
7.9k
points
Social Studies
high-school
1
answer
0
votes
61.7k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org