Question 1

If a circle has a radius of 1.109 m,what is its area expressed to the correct number of significant figures?

Accepted Answer

A) 3.86 m2 
B) 3.863 m2 
C) 3.864 m2 
D) 3.8638 m2 
E) 3.86379 m2 
A) 3.86 m2 
B) 3.863 m2 
C) 3.864 m2 
D) 3.8638 m2 
E) 3.86379 m2

Question 2

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

Accepted Answer

A) 3 × 104 
B) 3 × 105 
C) 3 × 106 
D) 3 × 107 
E) 3 × 108 
A) 3 × 104 
B) 3 × 105 
C) 3 × 106 
D) 3 × 107 
E) 3 × 108

Question 3

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ 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 4

Estimate the number of times an average person's heart beats in a lifetime.Assume the average heart rate is 69 beats/min and a life span of 75 years.

Accepted Answer

A) 3 × 109 beats 
B) 3 × 108 beats 
C) 3 × 1010 beats 
D) 3 × 107 beats 
A) 3 × 109 beats 
B) 3 × 108 beats 
C) 3 × 1010 beats 
D) 3 × 107 beats

Question 5

A reasonable estimate for the mass of an ordinary passenger car is

Accepted Answer

A) 100 kg 
B) 1000 kg 
C) 5000 kg 
D) 10,000 kg 
A) 100 kg 
B) 1000 kg 
C) 5000 kg 
D) 10,000 kg

Question 6

A reasonable estimate for the height of an ordinary adult male is

Accepted Answer

A) 50 cm. 
B) 70 cm. 
C) 200 cm. 
D) 300 cm. 
A) 50 cm. 
B) 70 cm. 
C) 200 cm. 
D) 300 cm.

Question 7

A reasonable estimate for the mass of a typical female college student is

Accepted Answer

A) 20 kg. 
B) 50 kg. 
C) 150 kg. 
D) 200 kg. 
A) 20 kg. 
B) 50 kg. 
C) 150 kg. 
D) 200 kg.

Question 8

A reasonable estimate for the duration of a typical physics lecture is

Accepted Answer

A) 600 s. 
B) 1000 s. 
C) 3500 s. 
D) 10,000 s. 
A) 600 s. 
B) 1000 s. 
C) 3500 s. 
D) 10,000 s.

Question 9

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 10

Write out the number 8.42 × 10-5 in full with a decimal point and correct number of zeros.

Accepted Answer

A) 0.00000842 
B) 0.0000842 
C) 0.000842 
D) 0.00842 
A) 0.00000842 
B) 0.0000842 
C) 0.000842 
D) 0.00842

Question 11

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 12

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

Exam 1: Introduction

If a circle has a radius of 1.109 m,what is its area expressed to the correct number of significant figures?

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7×1076.7 \times 10 ^ { 7 }6.7×107 calculations per second?

Estimate the number of times an average person's heart beats in a lifetime.Assume the average heart rate is 69 beats/min and a life span of 75 years.

A reasonable estimate for the mass of an ordinary passenger car is

A reasonable estimate for the height of an ordinary adult male is

A reasonable estimate for the mass of a typical female college student is

A reasonable estimate for the duration of a typical physics lecture is

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

Write out the number 8.42 × 10-5 in full with a decimal point and correct number of zeros.

The quantity 0.00325 × 10-8 cm is equivalent to

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

Kinematics: Motion in One Dimension

Newtonian Mechanics

Applying Newtons Laws

Circular Motion

Impulse and Linear Momentum

Work and Energy

Extended Bodies at Rest

Rotational Motion

Gases

Static Fluids

Fluids in Motion

First Law of Thermodynamics

Second Law of Thermodynamics

Electric Charge force and Energy

The Electric Field

Dc Circuits

Magnetism

Electromagnetic Induction

Vibrational Motion

Mechanical Waves

Reflection and Refraction

Mirrors and Lenses

Wave Optics

Electromagnetic Waves

Special Relativity

Quantum Optics

Atomic Physics

Nuclear Physics

Particle Physics

Filters

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?

Write out the number 8.42 × 10^-5 in full with a decimal point and correct number of zeros.

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