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WorksheetsSTEM 005 - Prelim Practice Questions
Total questions: 20
Worksheet time: 10mins
How many significant figures are there in 248 600?
4
6
3
2
How many significant figures are there in 0.0084629?
6
8
5
7
These are the numbers of digits in a value, often a measurement, that contribute to the degree of accuracy of the value.
place value
significant figures
measurements
decimal places
What is the approximate speed of light?
3.00 x 10^-31
3.00 x 10^-8
3.00 x 10^8
3.00 x 10^31
Express 4.89 x 10^-8 into standard form.
0.0000000489
489000000
0.0000489
48900000000
Express 3.14 x 10^4 into standard form.
0.0000314
3 140 000
0.000314
31 400
Express 0.00000786
7.86 x 10^-6
7.86 x 10^6
7.86 x 10^-5
7.86 x 10^5
In parts of an arrow, ___________ represents the magnitude of a vector.
arrowhead
length of an arrow
arrow
tail
It is the process of inspecting the units involved and performing the right mathematical equation to eliminate common units and obtain the units being sought.
Equivalence Statement
Mathematical Operation
Dimensional Analysis
Conversion of Units
The statement that is written but holds the same logical equivalence.
Conversion Factor
Equivalence Statement
Resultant Factor
Dimensional Analysis
The basic quantities which are independent of one another.
standard quantities
physical quantities
derived quantities
fundamental quantities
The combination of fundamental quantities.
fundamental quantities
derived quantities
physical quantities
standard quantities
The attribute or property of a substance that can be expressed in a mathematical equation.
Physical Quantities
Derived Quantities
Fundamental Quantities
Non-Standard Quantities
In addition and subtraction of significant figures, the final answer should have the same decimal places as the _________.
Least number of decimal places among the given.
greatest number of decimal places among the given.
Least number of significant figures among the given.
Least number of significant figures among the given.
Quantities that can be describes completely by their magnitude and direction.
Scalar Quantity
Physical Quantity
Vector Quantity
Fundamental Quantity
The combination of vectors.
reactant vector
relapse vector
resultant vector
relax vector
What is the other name of the vector 3m, 47 degrees, West of south?
3m, 47 degrees, south of west
3m, 47 degrees, north of east
3m, 47 degrees, south of east
3m, 47 degrees, west of north
What is the total opposite of the vector 38km, 87 degrees, north of east?
38km, 87 degrees, south of east
38km, 87 degrees, north of west
38km, 87 degrees, east of north
38km, 87 degrees, south of west
Add the following numbers: 62.150 and 0.0564
(a)
multiply the following numbers: 56.21
90.0500
(a)
