2 聯梧桐紀 PAGENIN ERA 5 7 DOG FAMILY puppies C01: Physical Quantities, Units and Measurements 4 A student wanted to measure the diameter of a cylindrical water bottle. Which of the following gives the most accurate measurement? A B CD Take three measurements of the diameter using a rule before finding the average. Take three measurements of the diameter using a digital micrometer screw gauge, resetting to zero before every measurement before finding the average. Take three measurements of the diameter using the digital calipers, resetting to zero before every measurement before finding the average. Take three measurements of the diameter using the digital calipers without resetting to zero before every measurement before finding the average. The resultant force FR acting on an object is given by, FR = ma, where m is the mass of the object in kg and a is the acceleration of the object in m/s². Which unit is equivalent to the unit for force? A B с D kg ms² kg m²s kg m/s² kg m²/s² adt to dbirlw (d) Which of the following shows the correct arrangement of the lengths from the smallest to the largest values? X 3.45 x 103 nm Y = 2.15 μm Z = 6.55 mm Smallest ronal edT Largest A X Y Z B Y X Z C Y Z X D Z X Y The height of a 30-storey building is approximately 8 A 10 m B 10² m C. c 103 m D 104 m 9 A calorie is a unit for energy. It is equivalent to 4.2 J, where 1 J = 1 kg m² s-2. Assume that there is a new system of units. O new unit for mass = α kg new unit for metre = ẞ m new unit of time = y s
2 聯梧桐紀 PAGENIN ERA 5 7 DOG FAMILY puppies C01: Physical Quantities, Units and Measurements 4 A student wanted to measure the diameter of a cylindrical water bottle. Which of the following gives the most accurate measurement? A B CD Take three measurements of the diameter using a rule before finding the average. Take three measurements of the diameter using a digital micrometer screw gauge, resetting to zero before every measurement before finding the average. Take three measurements of the diameter using the digital calipers, resetting to zero before every measurement before finding the average. Take three measurements of the diameter using the digital calipers without resetting to zero before every measurement before finding the average. The resultant force FR acting on an object is given by, FR = ma, where m is the mass of the object in kg and a is the acceleration of the object in m/s². Which unit is equivalent to the unit for force? A B с D kg ms² kg m²s kg m/s² kg m²/s² adt to dbirlw (d) Which of the following shows the correct arrangement of the lengths from the smallest to the largest values? X 3.45 x 103 nm Y = 2.15 μm Z = 6.55 mm Smallest ronal edT Largest A X Y Z B Y X Z C Y Z X D Z X Y The height of a 30-storey building is approximately 8 A 10 m B 10² m C. c 103 m D 104 m 9 A calorie is a unit for energy. It is equivalent to 4.2 J, where 1 J = 1 kg m² s-2. Assume that there is a new system of units. O new unit for mass = α kg new unit for metre = ẞ m new unit of time = y s
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter1: A Physics Toolkit
Section1.3: Measurement
Problem 19SSC
Related questions
Question
Transcribed Image Text:2
聯梧桐紀
PAGENIN ERA
5
7
DOG FAMILY
puppies
C01: Physical Quantities, Units and Measurements
4
A student wanted to measure the diameter of a cylindrical water bottle.
Which of the following gives the most accurate measurement?
A
B
CD
Take three measurements of the diameter using a rule before finding the
average.
Take three measurements of the diameter using a digital micrometer screw
gauge, resetting to zero before every measurement before finding the
average.
Take three measurements of the diameter using the digital calipers,
resetting to zero before every measurement before finding the average.
Take three measurements of the diameter using the digital calipers without
resetting to zero before every measurement before finding the average.
The resultant force FR acting on an object is given by, FR = ma, where m is the mass of
the object in kg and a is the acceleration of the object in m/s².
Which unit is equivalent to the unit for force?
A
B
с
D
kg ms²
kg m²s
kg m/s²
kg m²/s²
adt to dbirlw
(d)
Which of the following shows the correct arrangement of the lengths from the smallest to
the largest values?
X 3.45 x 103 nm
Y = 2.15 μm
Z = 6.55 mm
Smallest
ronal edT
Largest
A
X
Y
Z
B
Y
X
Z
C
Y
Z
X
D
Z
X
Y
The height of a 30-storey building is approximately
8
A
10 m
B
10² m
C. c
103 m
D
104 m
9
A calorie is a unit for energy. It is equivalent to 4.2 J, where 1 J = 1 kg m² s-2. Assume
that there is a new system of units.
O
new unit for mass = α kg
new unit for metre = ẞ m
new unit of time = y s
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