Question 1

A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in. )

Accepted Answer

A) 60 m/s 
B) 20 m/s 
C) 30 km/h 
D) 120 m/s 
E) 30 m/s 
A) 60 m/s 
B) 20 m/s 
C) 30 km/h 
D) 120 m/s 
E) 30 m/s

Question 2

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 3

A cylindrical drinking glass has a diameter of 2.5 in.and is 5.5 in.tall.What is the volume of the drinking glass in cubic centimeters? (2.54 cm = 1.00 in. )

Accepted Answer

A) 170 cubic cm 
B) 440 cubic cm 
C) 350 cubic cm 
D) 710 cubic cm 
E) 530 cubic cm 
A) 170 cubic cm 
B) 440 cubic cm 
C) 350 cubic cm 
D) 710 cubic cm 
E) 530 cubic cm

Question 4

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 5

A rectangular garden measures 15 m long and 13.70 m wide.What is the length of a diagonal from one corner of the garden to the other?

Accepted Answer

A) 18 m 
B) 19 m 
C) 20 m 
D) 4.1 × 102 m 
A) 18 m 
B) 19 m 
C) 20 m 
D) 4.1 × 102 m

Question 6

A marathon race is 26 mi and 385 yd long.Estimate how many strides would be required to run a marathon.Assume a reasonable value for the average number of feet/stride.

Accepted Answer

A) 4.5 × 104 strides 
B) 4.5 × 103 strides 
C) 4.5 × 105 strides 
D) 4.5 × 106 strides 
A) 4.5 × 104 strides 
B) 4.5 × 103 strides 
C) 4.5 × 105 strides 
D) 4.5 × 106 strides

Question 7

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7x107. Calculations per second?

Accepted Answer

A) 15 ns 
B) 67 ns 
C) 11 ns 
D) 65 ns 
A) 15 ns 
B) 67 ns 
C) 11 ns 
D) 65 ns

Question 8

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 9

Which of the following is the most reasonable estimate of the number of characters (typed letters or numbers)in a 609-page book? Assume an average of 194 words per page and a reasonable average number of letters per word.

Accepted Answer

A) 5 × 105 char 
B) 5 × 107 char 
C) 5 × 106 char 
D) 5 × 104 char 
A) 5 × 105 char 
B) 5 × 107 char 
C) 5 × 106 char 
D) 5 × 104 char

Question 10

Estimate the thickness,in meters,of an ordinary sheet of paper.

Accepted Answer

A) 10-4 m 
B) 10-5 m 
C) 10-6 m 
D) 10-7 m 
E) 10-8 m 
A) 10-4 m 
B) 10-5 m 
C) 10-6 m 
D) 10-7 m 
E) 10-8 m

Question 11

A light-year (ly)is the distance that light travels in one year.The speed of light is 3.00 × 108 m/s.How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days. )

Accepted Answer

A) 2.87 × 1013 mi 
B) 9.46 × 1015 mi 
C) 5.88 × 1015 mi 
D) 9.46 × 1012 mi 
E) 5.88 × 1012 mi 
A) 2.87 × 1013 mi 
B) 9.46 × 1015 mi 
C) 5.88 × 1015 mi 
D) 9.46 × 1012 mi 
E) 5.88 × 1012 mi

Question 12

In the difference A - B - C,A is accurate to 5 decimal places,B is accurate to 2 decimal places,and C is accurate to 3 decimal places.What is the correct number of decimal places in the difference?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 0 
A) 2 
B) 3 
C) 4 
D) 5 
E) 0

Question 13

Express 50 mi/h in units of meters per second.(1 mi = 1609 m)

Accepted Answer

A) 49 m/s 
B) 2.2 m/s 
C) 22 m/s 
D) 45 m/s 
A) 49 m/s 
B) 2.2 m/s 
C) 22 m/s 
D) 45 m/s

Question 14

Using a digital balance the mass of a certain piece of wood is read as 12.946 g.Thinking in terms of accuracy and significant figures,what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

Accepted Answer

A) 12.9 g 
B) 12.95 g 
C) 13 g 
D) 13.0 g 
A) 12.9 g 
B) 12.95 g 
C) 13 g 
D) 13.0 g

Question 15

The number of significant figures in 0.01500 is

Accepted Answer

A) two. 
B) three. 
C) four. 
D) five. 
A) two. 
B) three. 
C) four. 
D) five.

Question 16

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 17

What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures?

Accepted Answer

A) 5.3278 ×   
B) 5.328 ×   
C) 5.33 ×   
D) 5.3 ×   
A) 5.3278 ×   
B) 5.328 ×   
C) 5.33 ×   
D) 5.3 ×

Question 18

The length and width of a rectangle are 1.125 m and 0.606 m,respectively.Multiplying,your calculator gives the product as 0.68175.Rounding properly to the correct number of significant figures,the area of the rectangle should be written as

Accepted Answer

A) 0.68 m2. 
B) 0.682 m2. 
C) 0.6818 m2. 
D) 0.68175 m2. 
A) 0.68 m2. 
B) 0.682 m2. 
C) 0.6818 m2. 
D) 0.68175 m2.

Exam 1: Introduction to Physics

A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in. )

How many significant figures are in the number 0.0037010?

A cylindrical drinking glass has a diameter of 2.5 in.and is 5.5 in.tall.What is the volume of the drinking glass in cubic centimeters? (2.54 cm = 1.00 in. )

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

A rectangular garden measures 15 m long and 13.70 m wide.What is the length of a diagonal from one corner of the garden to the other?

A marathon race is 26 mi and 385 yd long.Estimate how many strides would be required to run a marathon.Assume a reasonable value for the average number of feet/stride.

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7x107. Calculations per second?

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)

Which of the following is the most reasonable estimate of the number of characters (typed letters or numbers)in a 609-page book? Assume an average of 194 words per page and a reasonable average number of letters per word.

Estimate the thickness,in meters,of an ordinary sheet of paper.

A light-year (ly)is the distance that light travels in one year.The speed of light is 3.00 × 108 m/s.How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days. )

In the difference A - B - C,A is accurate to 5 decimal places,B is accurate to 2 decimal places,and C is accurate to 3 decimal places.What is the correct number of decimal places in the difference?

Express 50 mi/h in units of meters per second.(1 mi = 1609 m)

Using a digital balance the mass of a certain piece of wood is read as 12.946 g.Thinking in terms of accuracy and significant figures,what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

The number of significant figures in 0.01500 is

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?

What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures?

The length and width of a rectangle are 1.125 m and 0.606 m,respectively.Multiplying,your calculator gives the product as 0.68175.Rounding properly to the correct number of significant figures,the area of the rectangle should be written as

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Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

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How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7x10⁷. Calculations per second?

A light-year (ly)is the distance that light travels in one year.The speed of light is 3.00 × 10⁸ m/s.How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days. )