Recent content by npgreat

This is a simple question. How long did you try to do it? Use mv^2/(R+h) =GMm/(R+h)^2

What is meant by E?

Someone who has newly learned division and multiplication is making fun.

max height H= (u sin theta)^2 /2g

Is the solution 2 ln[4+(2)^1/2]* (KP2a)^2 ?

Find the potential at the point due to a small rod of length 2a and then integrate from a to a+2a

1) First make three groups of nine coins. balace two of them. 2) Again make three groups of three.Balance two of them. 3) Now there only three coins left to check out and that's easy. :biggrin:

A tunnel is dug through the centre of the earth.A particle is projected into it with a velocity =(gR)^1/2.Find the time required to to cover the length of the tunnel. The force of attraction is F=GMmx/R^3 where x=distance from centre Then the time period is...

In the experiment to determine % of oxygen in air use 2 or more candles instead of of 1 and see the effect