Waec Physics 2002 Past Questions and Answers

Question 6:

• WAEC 2002

One common characteristics of solids, liquids and gasses is that

A. All the three has fixed volume
B. Their molecule have the same size
C. Their molecules are always in motion
D. All the three have the same inter molecular forces

Question 7:

• WAEC 2002

A boy travels 8 km eastward to a point B and then 6km northward to another point C. Determine the difference between the magnitude of displacement of the boy and distance travelled by him

A. 2.0km
B. 4.0km
C. 10.0km
D. 13.0km

Question 8:

• WAEC 2002

The magnitude of the force required to make an object of mass, m move with speed, v in a circular of radius r is given by the expression

A. \(\frac{mr}{v}\)
B. \(\frac{mr^2}{v}\)
C. \(\frac{mv^2}{r}\)
D. \(\frac{mv}{r^2}\)

Question 9:

• WAEC 2002

A man was moving round a circular path continuously for 4 minutes and covered the following distances in the times stated :
Distance (in metres) 200, 400, 600, 300
Time(in minutes) : 1, 2, 3, 4 respectively. Which of the following statements is correct about the motion of the man?

A. The man was moving without uniform velocity
B. The speed was changing constantly
C. The velocity was uniform
D. It was an instance of motion in which both speed and velocity are the same

Question 10:

• WAEC 2002

A car takes off from rest and covers a distance of 80m on a straight road in 10s. Calculate the magnitude of its acceleration

A. 1.25ms^-2
B. 1.60ms^-2
C. 4.00ms^-2
D. 8.00ms^-2