we cannot find Earth speed..,.,.,.,,.
to find speed of an object we want a stable surface.
lets go through an example:-
if a train in moving with a speed of 100 km/hr and a car is in top of the train moving with a speed of 50 km/hr (in same direction). then the speed...
what happens if 2 massive objects are placed in an empty space.
Does it attracts each other?
Does any change happens in its position?
If there is a force where did it come from?
1. A satellite is revolving very close to earth. what is the % increases in velocity needed to escape from the gravitational field of earthHomework Equations
v= root gh
The Attempt at a Solution
Sorry, i don't have any solution .
hi guys,
why our solar system is flat? why planets are not revolving arround the sun as atoms revolve arround the nucleus? why galaxys are flat? why black holes are flat?
Homework Statement
is there a 4th dimension. if yes can anyone explain it ?Homework EquationsThe Attempt at a Solution
4th dimension includes time also am i right ? which is X,Y,Z + time
Homework Statement
what is the focal length of a plane glass ?
Homework EquationsThe Attempt at a Solution
place a plane glass in a plane and allow light to pass through it measure its focal length
(i think its focal length is infinite )