Acceleration due to gravity and its variation with altitude, depth and rotation of earth I. Expression for acceleration due to gravity: Consider earth to be a sphere of radius 'R' and mass 'Me'....
Solving a mechanics problem especially at JEE level is all about getting into right thinking framework. Step 1: Picking a frame of reference. It can be solved from inertial frame of reference or non-nertial...
TIME Time is quantity. It can measure by clocks. Sundials were used in accent periods, but in modern period clocktower is made up it measures time by using gravity. The advance clock uses the caesium...
How to use kinematic equations and when to use them? We all know the 3 kinematic equations which are S= ut + 1/2 at² V = u + at V²= u² + 2as Many students find it difficult to understand...