menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
This African-American inventor and businessperson was born on May 18, 1838. They are best known for being awarded a patent for automatically opening and closing elevator doors. This patent was awarded
asked
Aug 22, 2023
58.6k
views
4
votes
This African-American inventor and businessperson was born on May 18, 1838. They are best known for being awarded a patent for automatically opening and closing elevator doors. This patent was awarded on October 11, 1887.
Physics
college
Mehedi Hasan Shagor
asked
by
Mehedi Hasan Shagor
4.2k
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
2
votes
Elisha Graves Otis is the inventer of elevator.
IceCreamToucan
answered
Aug 27, 2023
by
IceCreamToucan
4.3k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
4.5m
questions
5.9m
answers
Other Questions
what is the mass of a cannon ball if a force 2500 N gives the cannon ball an acceleration of 200 m/s squared?
A football kicker kicks a ball with a mass of .42 kg. The average acceleration of the football was 14.8 m/s squared. How much force did the kicker supply to the football?
Which state helps produce light in fluorescent lightbulbs? A. Plasma B. Solid C. Liquid D. Gas
How does the value of the electrostatic force vary with the value (how many) of the charges?
What is the application of physics
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org