Basic Physics Mathematics
49 Questions
| Attempts: 522
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Questions and Answers
- 1.
Give the metric prefix for: 1000.
- A.
Giga
- B.
Mega
- C.
Kilo
- D.
Milli
Correct Answer
C. KiloExplanation
The correct answer is kilo.Rate this question:
-
- 2.
Give the metric prefix for: 0.001.
- A.
Kilo
- B.
Centi
- C.
Milli
- D.
Micro
Correct Answer
C. MilliExplanation
The correct answer is milli.Rate this question:
-
- 3.
Give the metric prefix for: 1,000,000.
- A.
Giga
- B.
Mega
- C.
Kilo
- D.
Nano
Correct Answer
B. MegaExplanation
The correct answer is mega.Rate this question:
-
- 4.
Give the metric abbreviation for: kilo.
- A.
K
- B.
H
- C.
Da
- D.
C
Correct Answer
A. KExplanation
The correct answer is "k".Rate this question:
-
- 5.
Type the metric abbreviation for mega. (Pay attention to whether it should be capitalized or not.)
Correct Answer
MExplanation
The metric abbreviation for mega is "M".Rate this question:
- 6.
Type the metric abbreviation for centi.
Correct Answer
cExplanation
The metric abbreviation for centi is "c".Rate this question:
- 7.
The abbreviation for "256 centimeters" would be "256 cm". Knowing this, type the abbreviation for "28 kilolitres".
Correct Answer
28 kLExplanation
The correct abbreviation is "28 kL".Rate this question:
- 8.
Now, type the abbreviation for "52 milligrams".
Correct Answer
52 mgExplanation
The correct answer is 52 mg.Rate this question:
- 9.
Finally, type the abbreviation for "192 millimetres".
Correct Answer
192 mmExplanation
The correct answer is 192 mm.Rate this question:
- 10.
The SI unit for the abbreviation "35 kL" would be "35 kiloliters" or "35 kilolitres", depending on how British you're feeling. Knowing this, type the SI unit for "59 g".
Correct Answer
59 gramsExplanation
The correct answer is 59 grams.Rate this question:
- 11.
Write the SI unit for 24 m.
Correct Answer
24 metres
24 metersExplanation
The correct answer is 24 meters.Rate this question:
- 12.
Type the SI unit for 35 mg.
Correct Answer
35 milligramsExplanation
The correct answer is 35 milligrams.Rate this question:
- 13.
In scientific notation, 2,700,000 would be represented as , which could be easily typed as 2.7*10^6. Or, 0.0032 would be represented as , which could be easily typed as 3.2*10^-3. Knowing this, type 1,400,000 in scientific notation.
Correct Answer
1.4*10^6Explanation
The correct answer is 1.4*10^6.Rate this question:
- 14.
Now, put 0.0000075 in scientific notation.
Correct Answer
7.5*10^-6Explanation
The answer is 7.5*10^-6.Rate this question:
- 15.
If we reverse the procedure, we are putting the numbers in decimal form. For example, 7.2*10^3, in decimal form, would be 7200. Or, 7.2*10^-4 would be 0.00072. Knowing this, put 6.31*10^-4 in decimal form.
Correct Answer
0.000631Explanation
The correct answer is 0.000631.Rate this question:
- 16.
Now, put 8.62*10^4 in decimal form.
Correct Answer
86200
86,200Explanation
The correct answer is 86,200.Rate this question:
- 17.
Changing gears now - convert 5.94 m to feet. Include one decimal place ("29.3 feet", for example), rounding as appropriate. There is a conversion table in Appendix D of your textbook. If you aren't sure how to do this, ask me.
Correct Answer
19.5
19.5 feet
19.5 ftExplanation
5.94 m * (3.28 ft / 1 m) = 19.5 ft.Rate this question:
- 18.
Convert 178 km to m. (Do not include any decimals - for example, "7,600 m".)
Correct Answer
178,000 m
178000 m
178,000 metres
178,000 meters
178000 meters
178000 metresExplanation
178 km * (1000 m / 1 km) = 178000 m.Rate this question:
- 19.
Convert to . Put your answer in scientific notion, and write the unit as "m^3" (for example, "6.32*10^-3 m^3). Ask me if you don't know how to do this type of problem.
Correct Answer
2.75*10^-4 m^3Explanation
275 cm^3 * (1 m / 100 cm)^3 = 2.75*10^-4 m^3.Rate this question:
- 20.
Convert 15 ft^2 to cm^2. Write the unit as cm^2, and do not include any decimal places (for example, "4356 cm^2").
Correct Answer
13935 cm^2Explanation
15 ft^2 * (12 in / 1 ft)^2 * (2.54 cm / 1 in)^2 = 13935 cm^2Rate this question:
- 21.
There are 4.45 Newtons per pound. The weight of a car is 3500 lb. Find the weight in Newtons.
Correct Answer
15575 N
15575
15575 Newtons
15,575 N
15,575 Newtons
15,575Explanation
3500 lb * (4.45 N / 1 lb) = 15575 NRate this question:
- 22.
What is the largest cross-sectional area for a rectangular prism with sides 1 m, 2 m, and 3 m? Write the units as m^2 ("8 m^2" for example).
Correct Answer
6 m^2Explanation
3 m * 2 m = 6 m^2Rate this question:
- 23.
Before continuing on, complete the "Problem Solving" worksheet, and read through "Basic Trigonometry for PHYS200".
- A.
Done.
- B.
Not done.
Correct Answer
A. Done. -
- 24.
Trig Practice Part I, #1, solve for x. Report answer to one decimal place.
Correct Answer
8.7Explanation
10*cos(30) = 8.7Rate this question:
- 25.
Trig Practice Part I, #2, solve for x. Include one decimal place.
Correct Answer
7.5Explanation
15*sin(30) = 7.5Rate this question:
- 26.
Trig Practice Part I, #3, solve for x. Include one decimal place.
Correct Answer
11.5Explanation
x = 10 / cos(30) = 11.5Rate this question:
- 27.
Trig Practice Part I, #4, solve for x. Include one decimal place.
Correct Answer
7.8Explanation
x = 5 / sin(40) = 7.8Rate this question:
- 28.
Trig Practice Part I, #5, solve for x. Include one decimal place.
Correct Answer
10.7Explanation
x = 5 / tan(25) = 10.7Rate this question:
- 29.
Trig Practice Part I, #6, solve for x. Include one decimal place.
Correct Answer
17.3Explanation
x = 10 / tan(30) = 17.3Rate this question:
- 30.
Trig Practice Part I, #7, solve for x. Include one decimal place.
Correct Answer
9.4Explanation
x = 10*cos(20) = 9.4Rate this question:
- 31.
Trig Practice Part I, #8, solve for x. Include one decimal place.
Correct Answer
3.8Explanation
x = 5*sin(50) = 3.8Rate this question:
- 32.
Trig Practice Part II, #1, solve for theta. Include one decimal place (and do not include degree symbol).
Correct Answer
48.2Explanation
theta = arccos(10/15) = 48.2Rate this question:
- 33.
Trig Practice Part II, #2, solve for theta. Include one decimal place.
Correct Answer
30.0Explanation
theta = arcsin(10/20) = 30.0Rate this question:
- 34.
Trig Practice Part II, #3, solve for theta. Include one decimal place.
Correct Answer
70.5Explanation
theta = arccos(10/30) = 70.5Rate this question:
- 35.
Trig Practice Part II, #4, solve for theta. Include one decimal place.
Correct Answer
17.5Explanation
theta = arcsin(15/50) = 17.5Rate this question:
- 36.
Trig Practice Part II, #5, solve for theta. Include one decimal place.
Correct Answer
45.0Explanation
theta = arctan(10/10) = 45.0Rate this question:
- 37.
Trig Practice Part II, #6, solve for theta. Include one decimal place.
Correct Answer
33.7Explanation
theta = arctan(10/15) = 33.7Rate this question:
- 38.
Trig Practice Part II, #7, solve for theta. Include one decimal place.
Correct Answer
72.5Explanation
theta = arccos(3/10) = 72.5Rate this question:
- 39.
Trig Practice Part II, #8, solve for theta. Include one decimal place.
Correct Answer
11.5Explanation
theta = arcsin(1/5) = 11.5Rate this question:
- 40.
Before continuing, please read "Basic Vectors for PHYS200".
- A.
Done.
- B.
Not done.
Correct Answer
A. Done. -
- 41.
Vector Practice, #1 - what is the x-component of vector 5? (Be careful about signs.)
Correct Answer
-4 - 42.
What is the y-component of vector 5?
Correct Answer
-8 - 43.
What is the x-component of vector 9?
Correct Answer
3 - 44.
What is the y-component of vector 9?
Correct Answer
9 - 45.
Vector practice #2 - what is the x-component of the vector drawn? Answer to 2 decimal places and include a unit ("0.45 m", for example).
Correct Answer
0.85 mExplanation
(2 m)*sin(25) = 0.85 mRate this question:
- 46.
Vector practice 2 - what is the y-component of the vector drawn? (Answer to 2 decimal places and include units, "3.45 m" for example.)
Correct Answer
1.81 mExplanation
(2 m)*cos(25) = 1.81 mRate this question:
- 47.
A bulldozer travels 350 m to the north, and then 275 m to the west. What distance would the bulldozer travel if it could go directly to the endpoint? (You'll be asked about angle in a moment.) Include no decimal places ("365 m", for example).
Correct Answer
445 mExplanation
Your can do this with the Pythagorean Theorem. The distance is equal to SQRT(350^2+275^2) = 445 m. IF YOU CANNOT GET THIS, ASK ME AND I'LL SHOW YOU HOW.Rate this question:
- 48.
A bulldozer travels 350 m north, and then 275 m west. At what angle, west of north, does the bulldozer end up relative to its starting position? Answer to one decimal place, and do not include the degree symbol.
Correct Answer
38.1Explanation
theta = arctan(275/350) = 38.1Rate this question:
- 49.
Final question - find the resultant vector, angle of length, in Vector Practice #3.
- A.
3.24 m at 22.9 degrees above the positive x-axis.
- B.
I just told you the answer - BUT MAKE SURE YOU CAN GET IT, OR ASK ME.
Correct Answer
A. 3.24 m at 22.9 degrees above the positive x-axis. -
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Mar 18, 2022Quiz Edited by
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Aug 24, 2013Quiz Created by
David_shane
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