gravitation
by
Manoj Jaiswar ( PMJ Sir )
September 15, 2022
At what distance below the surface of the Earth, the acceleration due to gravity decreases by 10% of its value at the surface, given radius of Earth is 6400 km.
Posted by Manoj Jaiswar ( PMJ Sir )
Explain formation of clouds at high altitude
Cloud development at high elevations essentially happens through an intera…
A girl stands 170 m away from a high wall and claps her hands at a steady rate so that each clap coincides with the echo of the one before. a) If she makes 60 claps in 1 minute, what value should be the speed of sound in air? b) Now, she moves to another location and finds that she should now make 45 claps in 1 minute to coincide with successive echoes. Calculate her distance for the new position from the wall.
As per the given condition in the question we can list some data as, dista…
How petrol is formed ?
Petrol, which is also called as gasoline is a very common fossil fuel that…