Physics 1992 Waec Past Questions and Answers

Question 6 :

• WAEC 1992

A body accelerates uniformly from rest at the rate of 3 ms^-1 for 8 seconds. Calculate the distance covered by the body during the acceleration.

A. 12m
B. 24m
C. 48m
D. 72m
E. 96m

Question 7 :

• WAEC 1992

Which of the following has the same unit as the moment of a force?

A. Force
B. Power
C. Work
D. Momentum
E. Impulse

Question 8 :

• WAEC 1992

Solid weighs 0.040 N in air and 0.024 N when fully immersed in a liquid of density 800 kg m^-3. What is the volume of the solid? (g = 1Oms²)

A. 2.0 x 10^-6m³
B. 2.5x10^-6m³
C. 3.0x10^-6m³
D. 2.0x 10^-5m³
E. 3.0 x 10^-5m³

Question 9 :

• WAEC 1992

Which of the following will reduce the frequency of oscillation of a simple pendulum?

A. Increasing the mass of the bob
B. Decreasing the mass of the bob
C. Increasing the length of the string
D. Decreasing the length of the string
E. Increasing the amplitude of oscillation

Question 10 :

• WAEC 1992

A force of 20 N applied parallel to the surface of a horizontal table, is just sufficient to make a block of mass 4kg move on the table. Calculate the coefficient of friction between the block and the table. (g = 10ms²)

A. 0.05
B. 0.20
C. 0.50
D. 0.80
E. 2.00