Post Utme Economics Past Questions and Answers

Question 911:

The magnitude of the resultant of two equal vectors, each of magnitude \(\mathrm{K}\) units and acting at right angle to each other is ____________

A. \(k\)
B. -k
C. \(1.4 \mathrm{k}\)
D. \(2 \mathrm{k}\)

Question 912:

An orange falls from a height of \(20 \mathrm{~m}\). How long does it take to reach the ground?

A. \(2.0\) secs
B. \(0.5 \mathrm{sec}\)
C. \(1 \mathrm{sec}\)
D. \(4 \mathrm{secs}\)

Question 913:

A piece of stone weighs \(80 \mathrm{~g}\) in air, \(50 \mathrm{~g}\) when completely immersed in water and \(65 \mathrm{~g}\) in liquid \(\mathrm{Y}\). What is the relative density of \(\mathrm{Y}\) ?

A. \(0.2\)
B. \(1.5\)
C. \(0.5\)
D. \(2.0\)

Question 914:

If ST \(=5 \mathrm{~m}\), the moment of the force of \(10 \mathrm{~N}\) about 5 in the diagram below is ____________

A. \(50 \mathrm{Nm}\)
B. \(15 \mathrm{Nm}\)
C. \(5 \mathrm{Nm}\)
D. O

Question 915:

A ball is projected so as to attain maximum range. Determine the angle with which the ball must be projected.

A. \(15^{\circ}\)
B. \(30^{\circ}\)
C. \(60^{\circ}\)
D. \(45^{\circ}\)