All Questions
4
questions
-2
votes
2
answers
75
views
How much at least should the Earth be smaller so that we notice these three phenomenons?
The Earth is moving with a speed of about $1670$ $km/h$ around its axis. This speed is more than the sound speed. So the Earth is always breaking the speed of the sound. How much at least should the ...
2
votes
1
answer
413
views
The speed of throwing an object horizontally such that it is in orbit around the Earth [closed]
The question is given that for every 3,570 meters you walk , the Earth curves downward by 1 meter.
The time it takes an object to fall from a height h is
t = sqrt(2h/g), where t is in seconds, h is ...
-5
votes
1
answer
189
views
From where we can view earth moving?
Earth moves with a speed around $100000 \,\,km/h$, which will be amazing, but from where we can see that moving speed? If we far away from earth (outside of earth gravity) then can view its moving? is ...
-1
votes
1
answer
2k
views
Calculation of 12000 Lunar Orbits/Earth Day [closed]
I am really interested in the calculation of the following speed value in meter-per-second unit:
Speed of something that is able to travel in one earth day the distance that it would take for the ...