A __________ is the smallest addressable unit on a disk
2. Question | Mathematics
The triangle ABC above shows the angle of
elevation of the top, B,
of a tower, BC, from A, to be 30°.
AB = 40 m. The length of BC is
3. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
4. Question | Physics
A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high.
Her gain in gravitational potential energy is:
5. Question | Biology
Which of the following is NOT a way in which infectious diseases can be transmitted?
6. Question | Chemistry
We use expanded polystyrene cups for heat of reaction experiments because the cups are:
7. Question | Chemistry
In a water condenser the cooling water enters at:
8. Question | Principles Of Accounts
Which of the following is NOT recorded in the General Journal?
9. Question | Mathematics
In coordinate geometry, the equation of the x-axis is
10. Question | Chemistry
In an endothermic reaction:
11. Question | Chemistry
Transition metals have all of these properties EXCEPT for:
12. Question | Mathematics
In the circle above, the circumference is 20
cm. The length of the arc AB, in centimetres,
is
13. Question | Chemistry
To make car bodies we use:
14. Question | Chemistry
To work out the heat change in a reaction we need to know just three things, the mass, the temperature change and the:
15. Question | Social Studies
THE ITEM refer to the following family functions.
The family produces children and maintains the population.
16. Question | Mathematics
A shopkeeper buys 24 CD players for a
wholesale price of $1800. At what price per
CD player must she sell to make a profit of
10% on her cost?
17. Question | Biology
The site of reabsorption of MOST of the water from the filtrate.
18. Question | Chemistry
When metals react with acids they give a salt and:
19. Question | Physics
The following statements describe an ordinary mercury-in-glass laboratory thermometer. Which
one of them is NOT true?
20. Question | Social Studies
Which of the following would NOT be used in conserving the environment in the Caribbean?
