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:
2. Question | Information Technology
Which of the following items is not a component of a graphical user interface?
3. Question | Mathematics
The decimal equivalent of 3/8 is
4. Question | Social Studies
Which of the following would NOT be used in conserving the environment in the Caribbean?
5. Question | Biology
The white blood cells that produce antibodies are called:
6. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
There is hardly a point to our knocking as no one is not at home.
7. Question | Mathematics
Which of the relations represented below
are functions?
8. Question | Principles Of Accounts
Which of the following describes real accounts?
9. Question | Chemistry
In electrolysis the anode is the:
10. Question | Social Studies
Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?
11. Question | Physics
Which one of the following statements about a voltmeter is NOT true?
12. Question | Biology
An alternate form of a gene is called an:
13. Question | Integrated Science
Water passes out of leaves through the:
14. Question | Physics
A detector close to a sample of radioactive material records 76 counts per second (cps).
Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background
radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the
material is:
15. Question | Biology
The following diagram shows a model used to show how breathing movements take place:
Which part of the model represents the diaphragm?
16. Question | Chemistry
For Mg++ to turn into an atom of magnesium metal it must:
17. Question | Mathematics
A man's regular pay is $3 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid $168, how many hours overtime did he work?
18. Question | Chemistry
g/dm3 are units of:
19. Question | Chemistry
Transition metals have all of these properties EXCEPT for:
20. Question | Biology
Vaccination causes a person′s immune system to produce: