Waec Physics 2003 Past Questions and Answers

Question 6:

• WAEC 2003

A moving object is said to have a uniform acceleration if its

A. Displacement decreases at a constant rate
B. Speed is directly proportional with time
C. Velocity increases by equal amount in equal time intervals
D. Velocity varies inversely with time

Question 7:

• WAEC 2003

The period of an oscillatory motion is defined as the

A. Average of the time used in completing different numbers of oscillations
B. Time to complete a number of oscillations
C. Time to complete one oscillation
D. Time taken to move from one extreme position to another

Question 8:

• WAEC 2003

The mass on a loaded spiral spring oscillates vertically between two extreme positions P and R equidistant from the equilibrium position Q. Which of the following statements about the system is not correct

A. The momentum of the mass is maximum at Q
B. The elastic potential energy of the spring is maximum at Q
C. The kinetic energy of the mass is maximum at P
D. The total energy of the system is always constant

Question 9:

• WAEC 2003

A ball f mass 5.0kg hits a smooth vertical wall normally with a speed of 2ms^-1. Determine the magnitude of the resulting impulse

A. 2.0kgms^-1
B. 10.0kgms^-1
C. 5.0kgms^-1
D. 2.5kgms^-1

Question 10:

• WAEC 2003

Which of the following statements correctly defines a simple machine? a device

A. That can provide electric current
B. Which can only carry people from one place to another
C. With which work can be done easily
D. Which changes the state of rest or of uniform motion of an object along a straight ine