Physics 2000 Waec Past Questions and Answers

Question 6 :

• WAEC 2000

A wooden block of mass 1.6kg rest on a rough horizontal surface, if the limiting friction force between the block and the surface is 8N. Calculate the coefficient of friction. (g = 10ms^-2)

A. 0.6
B. 0.5
C. 0.3
D. 0.2

Question 7 :

• WAEC 2000

A ball bearing is gently released from rest and allowed to fall through a viscous fluid. Which of the following statements about the motion is correct?

A. Its acceleration decreases before terminal velocity is attained
B. When terminal velocity is attained the acceleration of the fluid becomes zero
C. Its velocity increases before terminal velocity is attained
D. There is no resultant force on the ball before it attains terminal velocity

Question 8 :

• WAEC 2000

The driver of a car moving with uniform speed of 40ms^-1 observes a truck approaching from the opposite direction with a speed of 20ms^-1. Calculate the speed of the car relative to that of the truck

A. .5ms^-1
B. 2.0ms^-1
C. 20.0ms^-1
D. 60.0ms^-1

Question 9 :

• WAEC 2000

A bus travelling at 15ms^-1 accelerates uniformly at 4ms^-2, what is the distance covered in 10s?

A. 150m
B. 170m
C. 350m
D. 600m

Question 10 :

• WAEC 2000

A uniform metre rule of mass 90g is provided at the 40cm mark. If the rule is in equilibrium with an unknown mass m placed at the 10cm mark and a 72g mass at the 70cm mark, determine m

A. 72g
B. 102g
C. 298g
D. 504g