Question 1

3.2 * 2.7 =

Accepted Answer

A) 9 
B) 8 
C) 8.6 
D) 8.64 
E) 8.640 
A) 9 
B) 8 
C) 8.6 
D) 8.64 
E) 8.640

Question 2

A gram is:

Accepted Answer

A) 10-6 kg 
B) 10-3 kg 
C) 1 kg 
D) 103 kg 
E) 106 kg 
A) 10-6 kg 
B) 10-3 kg 
C) 1 kg 
D) 103 kg 
E) 106 kg

Question 3

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2.Then the exponents n and m have the values:

Accepted Answer

A) 2/3; 1/3 
B) 2; 3 
C) 4/5; -1/5 
D) 1/5; 3/5 
E) 1/2; 1/2 
A) 2/3; 1/3 
B) 2; 3 
C) 4/5; -1/5 
D) 1/5; 3/5 
E) 1/2; 1/2

Question 4

1 mi is equivalent to 1609 m so 55 mph is:

Accepted Answer

A) 15 m/s 
B) 25 m/s 
C) 81 m/s 
D) 123 m/s 
E) 1500 m/s 
A) 15 m/s 
B) 25 m/s 
C) 81 m/s 
D) 123 m/s 
E) 1500 m/s

Question 5

One tonne (metric ton)is 1000 kg.How many grams are there in one tonne?

Accepted Answer

A) 10-6 
B) 10-3 
C) 1 
D) 103 
E) 106 
A) 10-6 
B) 10-3 
C) 1 
D) 103 
E) 106

Question 6

The unit of mass density might be:

Accepted Answer

A) pound per cubic foot 
B) gram per liter 
C) kilogram per meter 
D) cubic kilogram per meter 
E) cubic meter per kilogram 
A) pound per cubic foot 
B) gram per liter 
C) kilogram per meter 
D) cubic kilogram per meter 
E) cubic meter per kilogram

Question 7

The SI standard of time is based on:

Accepted Answer

A) the daily rotation of the Earth 
B) the frequency of light emitted by Kr86 
C) the yearly revolution of the Earth about the sun 
D) a precision pendulum clock 
E) none of these 
A) the daily rotation of the Earth 
B) the frequency of light emitted by Kr86 
C) the yearly revolution of the Earth about the sun 
D) a precision pendulum clock 
E) none of these

Question 8

The SI base units have the dimensions of:

Accepted Answer

A) mass, weight, time 
B) length, density, time 
C) mass, length, time 
D) weight, length, time 
E) mass, length, speed 
A) mass, weight, time 
B) length, density, time 
C) mass, length, time 
D) weight, length, time 
E) mass, length, speed

Question 9

A square with an edge of exactly 1 cm has an area of:

Accepted Answer

A) 10-6 m2 
B) 10-4 m2 
C) 10-2 m2  
D) 102 m2 
E) 104 m2 
A) 10-6 m2 
B) 10-4 m2 
C) 10-2 m2  
D) 102 m2 
E) 104 m2

Question 10

A sphere has a radius of 21 cm and a mass of 1.9 kg.Its mass density is about:

Accepted Answer

A) 4.9 * 10-5 kg/m3 
B) 2.1 *10-4 kg/m3 
C) 2.0 * 10-2 kg/m3 
D) 16 kg/m3 
E) 49 kg/m3 
A) 4.9 * 10-5 kg/m3 
B) 2.1 *10-4 kg/m3 
C) 2.0 * 10-2 kg/m3 
D) 16 kg/m3 
E) 49 kg/m3

Question 11

In 1866, the U.S.Congress defined the U.S.yard as exactly 3600/3937 international meter.This was done primarily because:

Accepted Answer

A) length can be measured more accurately in meters than in yards 
B) the meter is more stable than the yard 
C) this definition relates the common U.S.length units to a more widely used system 
D) there are more wavelengths in a yard than in a meter 
E) the members of this Congress were exceptionally intelligent 
A) length can be measured more accurately in meters than in yards 
B) the meter is more stable than the yard 
C) this definition relates the common U.S.length units to a more widely used system 
D) there are more wavelengths in a yard than in a meter 
E) the members of this Congress were exceptionally intelligent

Question 12

(5.0 * 104) * (3.0 * 10-6)=

Accepted Answer

A) 1.5 * 10-3 
B) 1.5 *10-1 
C) 1.5 * 101 
D) 1.5 *103 
E) 1.5 *105 
A) 1.5 * 10-3 
B) 1.5 *10-1 
C) 1.5 * 101 
D) 1.5 *103 
E) 1.5 *105

Question 13

1.513 + 27.3 =

Accepted Answer

A) 29 
B) 28.8 
C) 28.9 
D) 28.81 
E) 28.813 
A) 29 
B) 28.8 
C) 28.9 
D) 28.81 
E) 28.813

Question 14

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of:

Accepted Answer

A) 1.7 *10-3 m2 
B) 3.2 *10-3 m2 
C) 2.0 * 10-3 m2 
D) 5.3 * 10-3 m2 
E) 7.4 * 10-3 m2 
A) 1.7 *10-3 m2 
B) 3.2 *10-3 m2 
C) 2.0 * 10-3 m2 
D) 5.3 * 10-3 m2 
E) 7.4 * 10-3 m2

Question 15

A cubic box with an edge of exactly 1 cm has a volume of:

Accepted Answer

A) 10-9 m3 
B) 10-6 m3 
C) 10-3 m3 
D) 103 m3 
E) 106 m3 
A) 10-9 m3 
B) 10-6 m3 
C) 10-3 m3 
D) 103 m3 
E) 106 m3

Question 16

Which of the following weighs about a pound on Earth?

Accepted Answer

A) 0.05 kg 
B) 0.5 kg 
C) 5 kg 
D) 50 kg 
E) 500 kg 
A) 0.05 kg 
B) 0.5 kg 
C) 5 kg 
D) 50 kg 
E) 500 kg

Question 17

The SI standard of length is based on:

Accepted Answer

A) the distance from the north pole to the equator along a meridian passing through Paris 
B) wavelength of light emitted by Hg198 
C) wavelength of light emitted by Kr86 
D) a precision meter stick in Paris 
E) the speed of light 
A) the distance from the north pole to the equator along a meridian passing through Paris 
B) wavelength of light emitted by Hg198 
C) wavelength of light emitted by Kr86 
D) a precision meter stick in Paris 
E) the speed of light

Exam 1: Measurement

3.2 * 2.7 =

A gram is:

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2.Then the exponents n and m have the values:

1 mi is equivalent to 1609 m so 55 mph is:

One tonne (metric ton)is 1000 kg.How many grams are there in one tonne?

The unit of mass density might be:

The SI standard of time is based on:

The SI base units have the dimensions of:

A square with an edge of exactly 1 cm has an area of:

A sphere has a radius of 21 cm and a mass of 1.9 kg.Its mass density is about:

In 1866, the U.S.Congress defined the U.S.yard as exactly 3600/3937 international meter.This was done primarily because:

(5.0 * 104) * (3.0 * 10-6)=

1.513 + 27.3 =

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of:

A cubic box with an edge of exactly 1 cm has a volume of:

Which of the following weighs about a pound on Earth?

The SI standard of length is based on:

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Motion in Two and Three Dimensions

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Filters

Suppose A = BⁿC^m, where A has dimensions LT, B has dimensions L²T^-1, and C has dimensions LT².Then the exponents n and m have the values:

(5.0 * 10⁴⁾ * (3.0 * 10^-6)=