2000 - WAEC Physics Past Questions and Answers - page 2

The bob of a simple pendulum takes 0.25s to swing from its equilibrium position to one extreme end. Calculate its period

The period of oscillation pf a particle executing simple harmonic motion is 4\(\pi\) seconds. If the amplitude of oscillation is 3.0m. Calculate its period

An inelastic collision takes place between ball of known masses, just before the collision one of the ball is moving with a known velocity while the other is stationary. Which of the following physical quantities can be determined from the information given?

Using the force displacement diagram shown above. Calculate the work done

A machine of efficiency 8% is used to raise a body of mass 75kg through a vertical height of 3m in 30s. Calculate the power input. (g = 10ms^-2)

Two bodies P and Q, are in thermal equilibrium, which of the following statements about the bodies is correct?

The cubic expansivity of mercury is 1.8 x 10^-4K^-1 and the linear expansivity of glass 8.0 x 10^-6K^-1, calculate the apparent expansivity of mercury in a glass container

The diagram shows the variation of volume V of a glass with temperature at the point X is

The volume and pressure of a given mass of gas at 27^oC are 76cm³ and 80cm of mercury respectively. Calculate the volume at s.t.p

A piece of metal of mass 50g is cooled from 80^oC to 20^oC. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg^-1K^-1)