Physics 2016 Waec Past Questions and Answers

Question 6 :

• WAEC 2016

Which of the following substances lowers the surface tension of water?

A. Metal
B. Sand
C. Detergent
D. Paper

Question 7 :

• WAEC 2016

An object of volume 400cm³ and 2.5gcm^-3 is suspended from a spring balance with half its volume immersed in water. Determine the reading on the spring balance. (Density of water = 1gcm^-3)

A. 1200g
B. 1000g
C. 800g
D. 400g

Question 8 :

• WAEC 2016

The diagram given illustrates a force-distance graph for the motion of a wooden block. Determine the work done on the block when moved through a distance of 5m.

A. 4J
B. 15J
C. 5J
D. 100J

Question 9 :

• WAEC 2016

The two person of a body undergoing a uniformly accelerated motion are (10s, 10ms^-1) and (30s, 50ms^-1). On the velocity-time graph pf the body.

A. 0.5ms^-2
B. 2.0ms^-2
C. 10.0ms^-2
D. 40.0ms^-2

Question 10 :

• WAEC 2016

At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots out of the bottle at an angle of 40^o to the horizontal and travels a horizontal distance of 4.50m in 1.25s. Calculate the initial speed of the cork.

A. 4.2ms^-1
B. 4.7ms^-1
C. 5.6ms^-1
D. 7.1ms^-1