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## Notes on Kinematics – one dimensional motion and projectile for Cambridge A level

Definition of terms Displacement: It is the distance moved in a particular direction. It is a vector quantity. The S.I unit is (m) Velocity: It is the rate of change of displacement. It is a vector quantity. The S.I unit is (ms-1) Speed : It is the rate of change …

## Notes simple harmonic motion, damped and forced oscillation for Cambridge A level

Oscillation Oscillation is one complete movement from the starting or rest position, up, then down and finally back up to the rest position. Examples are pendulum, the beating of the heart, vibration of a guitar string, the motion of a child on a swing e.t.c. Free Oscillation A free oscillation …

## How to solve questions on Kinematics and deformation of solids

The two questions below are 2013 UTME Physics – Type U Q1 A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2ms-2. The time required to bring the train to a complete halt is A. 40s         B. 5s            C. 10s          D. 20s Solution initial …

## How to solve questions on oscillation for Cambridge A level

cambridge oct/nov 2006 p4 Q1 Two vertical springs, each having spring constant k, support a mass. The lower spring is attached to an oscillator as shown below The oscillator is switched off. The mass is displaced vertically and then released so that it vibrates. During these vibrations, the springs are …

## How to solve questions on Measurement and Kinematics for Cambridge A level

The two questions are cambridge may/june 2012 p21 Q1 The volume V of liquid that flows through a pipe in time t is given by the equation   where P is the pressure difference between the ends of the pipe of radius r and length l. The constant C depends …

## How to solve questions on dynamics for Cambridge A level

Q1 A brick weighing 20 N rests on an inclined plane. The weight of the brick has a component of 10 N parallel with the plane. The brick also experiences a frictional force of 4 N. What is the acceleration of the brick down the plane? Assume that the acceleration …

## Importance of Education – A tool for greatness

Meaning and importance of Education Great men and women of old have sat down to reason out some of the importance of education. Their reasoning are as a result of great conviction they have about education. They looked inward to bring out the precious stones inside education in order for …

## Solving questions on deformation of solids, kinematics and dynamics

Q1 A supermarket trolley, total mass 30 kg, is moving at 3.0 m s–1. A retarding force of 60 N is applied to the trolley for 0.50 s in the opposite direction to the trolley’s initial velocity. What is the trolley’s new velocity after the application of the force?{cambridge oct/nov …