Exam (elaborations)
Straighter line General Physics I (EXAM ONE) with 100- correct answers
- Course
- Institution
Straighter line General Physics I (EXAM ONE) with 100- correct answers
[Show more]
Content preview
Straighterline:
General
Physics I
(EXAM
ONE) with
100%
,correct
answers
Which of the following statements related to
conversion factors is false?
A. A conversion factor is the ratio of the
given unit to the required unit.
B. A conversion factor does not necessarily
convert to standard SI units.
C. The expression 60 min / hour is an
example of a conversion factor.
D. The value of a conversion factor is
essentially 1. - answer A
What are SI units?
A. Standard Index units of measurement
B. Units from the old English measurement
system
,C. International time units
D. Systeme International units of
measurement - answer D
An SI unit is a Systeme Internacionale unit. In
most cases, an SI unit is an mks unit or is
derived from mks units.
Suppose you are told that 15 quarts (qt) =
14.2 liters (L). What is the conversion factor
you would use to convert from quarts to
liters? What is the conversion factor you
would you use to convert liters to quarts?
A. quarts to liters: 14.2 L / 15 qtliters to
quarts: 15 qt / 14.2 L
B. quarts to liters:15 qt + 14.2 Lliters to
quarts: 29.2 qt / L
C. quarts to liters: 15 qt / 14.2 Lliters to
quarts: 1.06 qt / L
D. quarts to liters: 15 qt • 14.2 Lliters to
quarts: 213 qt / L - answer A
Suppose you have $100 that you need to
convert to Danish kroner. The conversion rate
, that day is 5.732 Danish kroner for one
American dollar. The business that converts
your money charges you a flat fee of 50
Danish kroner for the transaction. Use your
knowledge of significant figures to decide
which of the following shows the correct
amount of Danish kroner that you should
receive.
A. 573.2 Danish kroner
B. 500 Danish kroner
C. 523.2 Danish kroner
D. 573 Danish kroner - answer C
The number that determines the number of
significant figures is the conversion factor: 1
American dollar per 5.732 Danish kroner.
There are four significant figures in 5.732.
You assume that the 100 and the 50 are
precise figures, and therefore not considered
when determining the number of significant
figures.
Suppose you are asked to determine the
perimeter of a seven-sided irregular figure.
You make the following measurements:Side 1
= 3.2 mSide 2 = 4.8 mSide 3 = 2.000 mSide 4
= 8.94 mSide 5 = 11 mSide 6 = 7.566 mSide 7
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76710 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now