Physics Past Questions and Answers

A body moves in SHM between two point 20m on the straight line Joining the points. If the angular speed of the body is 5 rad/s. Calculate its speed when it is 6m from the center of the motion.

The diagram shows a uniform meter rule AB which balances horizontally at the 90cm mark when a mass of 0.2kg is suspended from B. Calculate the mass of the meter rule.

The equilibrium position of objects in any field corresponds to situation of

The height at which the atmosphere cases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is<br/>(ρm = 13.6g/cm\(^3\) ρ = 0.00013g/cm\(^3\) )

A cone is in unstable equilibrium has its potential energy