Two particles are fired together along a smooth horizontal surface with velocities 4 m/s and 5 m/s. If they move at 60° to each other, find the distance between them in 2 seconds.

• A. \(2\sqrt{61}\)
• B. \(\sqrt{42}\)
• C. \(2\sqrt{21}\)
• D. \(2\sqrt{10}\)

A screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the Tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [π=3.142]

• A. 21
• B. 38
• C. 48
• D. 151

An example of organically formed sedimentary rock is

• A. sandstone
• B. rock slit
• C. grit
• D. limestone

After each of the following sentences, a list of possible interpretations of the sentence is given. Choose the interpretation that you consider most appropriate for each sentence.

Chinwe can be stubborn yet I have a soft spot for her. This means that I

• A. am fond of Chinwe even through she is stubborn
• B. alone know how to control Chinwe
• C. dislike Chinwe for stubborness
• D. have a cure for her stubbornness

Read the extract and answer Questions

Zounds, sir, y' are robbed! For shame, put on your gown!

Your heart is burst, you have lost half your soul.

Even now, very now, an old blackram

is tupping your white eww. Arise. arise!

Awake the snorting citizens with the bell,

Or else the devil will make a grandsire of you

Arise i say! (Act 1, scene one,lines 83 - 89)

... y' are robbed! refers to

• A. Brabantio's r-ejection of Othello
• B. Desdemona's stout defense of Othello
• C. Iago's stealing of Rodrigo's purse
• D. Othello's elopement with Desdemona

A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for N150,000. How much does he need to deposit?

• A. N112,000.50
• B. N96,000.00
• C. N85,714.28
• D. N76,800.00

Which of the following farming practices are cultural methods used to control pests and diseases? I. Crop rotation II. Mixed farming III. Monoculture

• A. I and II only
• B. I and III only
• C. II and III only
• D. I,II and III

(a) (i) Explain electromotive force

(ii) list two sources of electromotive force other than a chemical cell

(b) A chemical cell of electromotive force, E, and internal resistance, r, is connected in series with an ammeter, a plug key a plug key and an external load of resistance R. A volumeter is connected across the cell. Draw a circuit diagram to illustrate the arrangement,

(c) for the arrangement in (b) above, with the key opened and closed, the voltmeter readings are V\(_o\) and V respectively.

(i) Explain the physical meanings of V\(_o\) and V

(ii) Find an expression for the (I) current passing through the circuit (II) maximum power dissipated in the cell and external load respectively; (III) efficiency of the cell

When an elastic material is stretched by a force, the energy stored in it is

• A. kinetic
• B. potential
• C. thermal
• D. electrical

When the sun, moon and the earth are as shown in the diagram below an observer standing in X is in

• A. Penumbra and sees a partial eclipse
• B. Penumbra and sees a total eclipse
• C. umbra and sees a partial eclipse
• D. umbra and sees a total eclipse