Section B (14 points): Determine the units of the variable x in each of the following equations, and specify which rule you used to determine this. Do not solve for the numeric value of x. Show your work beneath the question, or on a separate sheet of paper. Example: 315 feet = (32)x² kg.m² 1 s² 1. 12.2 . (5.2 m/s)² ..x. 2. y = (94.1) (0.18 s) + x Rule #1: Both sides of the equal sign must have the same uni Rule #2: Values that are added or subtracted must have the s Rule #3: Argument of a trig function must be an angle. Rule #4: Argument of an inverse trig function must have no u Rule #5: Exponents must have no units. x has units of seconds x has units of x has units of because of Rule # because of Rule # because of Rule # 1
Section B (14 points): Determine the units of the variable x in each of the following equations, and specify which rule you used to determine this. Do not solve for the numeric value of x. Show your work beneath the question, or on a separate sheet of paper. Example: 315 feet = (32)x² kg.m² 1 s² 1. 12.2 . (5.2 m/s)² ..x. 2. y = (94.1) (0.18 s) + x Rule #1: Both sides of the equal sign must have the same uni Rule #2: Values that are added or subtracted must have the s Rule #3: Argument of a trig function must be an angle. Rule #4: Argument of an inverse trig function must have no u Rule #5: Exponents must have no units. x has units of seconds x has units of x has units of because of Rule # because of Rule # because of Rule # 1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Section B (14 points): Determine the
units of the variable x in each of the
following equations, and specify which
rule you used to determine this. Do not
solve for the numeric value of x. Show
your work beneath the question, or on a
separate sheet of paper.
Example: 315 feet = (32x²
1. 12.2
kg.m²
s²
2
. (5.2 m/s)²
2. y = (94.1) (0.18 s) + x
Rule #1: Both sides of the equal sign must have the same units.
Rule #2: Values that are added or subtracted must have the same
Rule #3: Argument of a trig function must be an angle.
Rule #4: Argument of an inverse trig function must have no units
Rule # 5: Exponents must have no units.
x has units of seconds
because of Rule # 1
x has units of
x has units of
because of Rule #
because of Rule #
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