Lab 1 Quiz
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Liberty University *
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Course
250L
Subject
English
Date
Jan 9, 2024
Type
Pages
4
Uploaded by SuperUniverseManatee11
PHY250L_ESL_V2
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Lab 1: Measurements and Uncertainty
Question 1
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Question 2
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Started on
Thursday, July 27, 2023, 11:25 PM
State
Finished
Completed on
Thursday, July 27, 2023, 11:37 PM
Time taken
12 mins 10 secs
Grade
40.00
out of 40.00 (
100
%)
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How many significant digits does this number have: 000.40005
Select one:
a. 8
b. 2
c. 5 d. 6
Which of the following statements is true for systematic errors?
Select one:
a. They affect neither accuracy nor precision of a measurement.
b. They affect both accuracy and precision of a measurement.
c. They affect accuracy but not the precision of a measurement. d. They affect precision but not the accuracy of a measurement.
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Question 3
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Question 4
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Determine whether the following example describes accuracy, precision, neither, or both:
Three friends fun a 5K and their times are 20 minutes, 21 minutes, and 21 minutes. The
average time is 27 minutes.
Select one:
a. Neither
b. Precision c. Both
d. Accuracy
What is the percent error for data set (remember significant figures):
Experimental Data:
10.8 m/s
9.1 m/s
8.8 m/s
9.9 m/s
Expected Data: 9.8m/s
Select one:
a. 1.5 % b. 1.6 %
c. -1.6 %
d. 7.1 %
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Question 5
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How many seconds are in 1 day, 2 hours, 10 minutes and 40 seconds?
Select one:
a. 2,200 seconds
b. 94,240 seconds c. 223,840 seconds
d. 11,400 seconds
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