Post Utme Economics Past Questions and Answers

Question 861:

A body initially at rest is accelerated at a rate of \(0.2 \mathrm{~ms}^{-2}\) for \(5 \mathrm{~s}\) under a constant force of \(50 \mathrm{~N}\). the work done on the body is ____________

A. 50J
B. 2.5J
C. 125J
D. 250J

Question 862:

The formation of clouds results directly from ____________

A. Vapourization
B. Fusion
C. Condensation
D. Sublimation

Question 863:

Replenishing soil nutrients involves one of the following.

A. Leaching
B. Cover cropping
C. Bush burning
D. Grazing

Question 864:

For a wire of a specific material, which of the following will give the lowest resistance in a circuit?

A. A short, thick wire
B. A short, thin wire
C. A long, thin wire
D. A long, thick wire

Question 865:

A changes in temperature of \(45^{\circ} \mathrm{C}\) is equivalent to a change in temperature on the Kelvin scale of ____________

A. 25 k
B. \(318 k\)
C. \(45 k\)
D. \(81 k\)