Question 1

How many significant figures are in the number 0.0037010?

Accepted Answer

A)  four 
B)  five 
C)  six 
D)  seven 
E)  eight 
A)  four 
B)  five 
C)  six 
D)  seven 
E)  eight

Question 2

The peak of Mt. Everest, at 10,900 m, is the highest point above sea level in the world. What is its elevation in miles? (1.00 m = 3.281 ft)

Accepted Answer

A)  17.6 mi 
B)  0.630 mi 
C)  6.77 mi 
D)  6.20 mi 
E)  67.1 mi 
A)  17.6 mi 
B)  0.630 mi 
C)  6.77 mi 
D)  6.20 mi 
E)  67.1 mi

Question 3

How many significant figures are in the number 120.070?

Accepted Answer

A)  six 
B)  five 
C)  four 
D)  three 
A)  six 
B)  five 
C)  four 
D)  three

Question 4

There are 640 acres in a square mile, and 5280 feet in 1.00 mile. What is the length in feet (to the nearest foot) of the side of a square having an area of 1.00 acre?

Accepted Answer

A)  660 feet 
B)  209 feet 
C)  165 feet 
D)  412 feet 
E)  435 feet 
A)  660 feet 
B)  209 feet 
C)  165 feet 
D)  412 feet 
E)  435 feet

Question 5

At a certain time, the average size of a transistor in a microprocessor was 250 nanometers. A human hair has a diameter of 70 microns (micrometers). How many transistors fit across a human hair?

Accepted Answer

A)  280 
B)  28 
C)  2800 
D)  2.8 
E)  0.28 
A)  280 
B)  28 
C)  2800 
D)  2.8 
E)  0.28

Question 6

Which of the following numbers is the smallest?

Accepted Answer

A)  15 × 10-3 
B)  0.15 × 100 
C)  0.00015 × 103 
D)  0.00000015 × 106 
A)  15 × 10-3 
B)  0.15 × 100 
C)  0.00015 × 103 
D)  0.00000015 × 106

Question 7

A reasonable estimate for the mass of a typical new-born baby is

Accepted Answer

A)  1 kg. 
B)  3 kg. 
C)  10 kg. 
D)  20 kg. 
A)  1 kg. 
B)  3 kg. 
C)  10 kg. 
D)  20 kg.

Question 8

Which one of the following numbers is equivalent to the number 0.0001776?

Accepted Answer

A)  1.776 × 10-4 
B)  17.76 × 10-3 
C)  1776 × 10-5 
D)  177.6 × 10-7 
A)  1.776 × 10-4 
B)  17.76 × 10-3 
C)  1776 × 10-5 
D)  177.6 × 10-7

Question 9

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kg sacks of dog food does his owner need to buy in a year? (1.0 kg weighs 2.2 lb)

Accepted Answer

A)  17 
B)  25 
C)  52 
D)  80 
E)  81 
A)  17 
B)  25 
C)  52 
D)  80 
E)  81

Question 10

The quantity 0.00325 × 10-8 cm is equivalent to

Accepted Answer

A)  3.25 × 10-12 mm 
B)  3.25 × 10-11 mm 
C)  3.25 × 10-10 mm 
D)  3.25 × 10-9 mm 
E)  3.25 × 10-8 mm 
A)  3.25 × 10-12 mm 
B)  3.25 × 10-11 mm 
C)  3.25 × 10-10 mm 
D)  3.25 × 10-9 mm 
E)  3.25 × 10-8 mm

Question 11

An American football field, including end zones, is 360 feet long and 160 feet wide. If you needed to describe it for someone in Europe using the metric system, which one of the following quantities would be closest to its area in square meters? (2.54 cm = 1.00 in.)

Accepted Answer

A)  4,920 m2 
B)  5,350 m2 
C)  88.0 m2 
D)  12,100 m2 
E)  13,200 m2 
A)  4,920 m2 
B)  5,350 m2 
C)  88.0 m2 
D)  12,100 m2 
E)  13,200 m2

Question 12

A train travels at a constant speed of 60.4 mi/h for 101.5 min. What distance does the train cover expressed to the correct number of significant figures?

Accepted Answer

A)  100 mi 
B)  102 mi 
C)  102.2 mi 
D)  102.18 mi 
E)  102.181 mi 
A)  100 mi 
B)  102 mi 
C)  102.2 mi 
D)  102.18 mi 
E)  102.181 mi

Question 13

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10-3.

Accepted Answer

Exam 1: Representing Motion

How many significant figures are in the number 0.0037010?

The peak of Mt. Everest, at 10,900 m, is the highest point above sea level in the world. What is its elevation in miles? (1.00 m = 3.281 ft)

How many significant figures are in the number 120.070?

There are 640 acres in a square mile, and 5280 feet in 1.00 mile. What is the length in feet (to the nearest foot) of the side of a square having an area of 1.00 acre?

At a certain time, the average size of a transistor in a microprocessor was 250 nanometers. A human hair has a diameter of 70 microns (micrometers). How many transistors fit across a human hair?

Which of the following numbers is the smallest?

A reasonable estimate for the mass of a typical new-born baby is

Which one of the following numbers is equivalent to the number 0.0001776?

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kg sacks of dog food does his owner need to buy in a year? (1.0 kg weighs 2.2 lb)

The quantity 0.00325 × 10-8 cm is equivalent to

An American football field, including end zones, is 360 feet long and 160 feet wide. If you needed to describe it for someone in Europe using the metric system, which one of the following quantities would be closest to its area in square meters? (2.54 cm = 1.00 in.)

A train travels at a constant speed of 60.4 mi/h for 101.5 min. What distance does the train cover expressed to the correct number of significant figures?

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10-3.

Motion in One Dimension

Vectors and Motion in Two Dimensions

Forces and Newtons Laws of Motion

Applying Newtons Laws

Gravity

Rotational Motion

Equilibrium Ad Elasticity

Momentum

Energy and Work

Using Energy

Thermal Properties of Matter

Fluids

Oscillations

Traveling Waves and Sound

Superposition and Standing Waves

Wave Optics

Ray Optics

Optical Instruments

Electric Fields and Forces

Electric Potential

Current and Resistance

Circuits

Magnetic Fields and Forces

EM Induction and Em Waves

AC Electricity

Relativity

Quantum Physics

Atoms and Molecules

Nuclear Physics

Filters

The quantity 0.00325 × 10^-8 cm is equivalent to

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10^-3.