Phys 221 Homework

Spring 2013

 

MasteringPhysics Tutorial problems are not in the book. 

MC: Multiple Choice

P: Problems

Green text: These problems should be answered in MasteringPhysics as well as worked out on paper** and turned in at the beginning of class on the due date.  All work must be shown including any relevant diagrams.

 

**Use the numbers from the textbook when working out the long hand problems on paper.

 

Assignment

Solution

 Due

Sound and Wave Basics

1/16/13

MP Intro

Introduction to Mastering Physics

1/22/13

HW 14 Part 1

Ch 14: 2 Tutorials, Conceptual: 16, 20, P: 1, 2, 3, 8, 9, 10, 40

Optional: Khan Intro to A, T, f, l

Reading

Solution

1/22/13

HW 14/15

Ch 14: 6 tutorials, MC: 24, P: 12, 26, 30, 32, 44, 50, 52, 73-76

Ch 15: 4 tutorials, Conceptual: 4, MC: 20, 22, 23, P: 6, 57, 58

Why your voice sounds higher when you inhale helium.

Optional: Watch Khan Mach Numbers  Khan “graphs of sin and cosine” problems. 

Pg1, pg2, pg3

1/29/13

Workbook Chapter 14

Echolocation HW

1/30/13

HW 15/16

Ch 15: 5 tutorials MC: 25, P: 20, 26, 27, 33, 36, 37, 40, 41, 42, 46, 74, 76, 81-84

Ch 16: 3 tutorials P: 3, 7, 8, 14

Solution

2/5/13

Doppler Shift Song scroll down below the fire trucks.

Workbook Chapter 15

Workbook Chapter 16

HW 17

Workbook Ch 17 Items 1-11

Ch 17: 5 tutorials, Conceptual: 3, 7, P: 4, 10, 14, 18, 38, 56, 75-77

Solution

2/19/13

Workbook Chapter 17

HW 18 Pt I

Ch 18: 8 Tutorials, Conceptual 5, MC 16, 18, P: 13, 17

Mirror Tut HW and Additional Problems

Solution

2/26/13

HW 18/19

Ch 18: 4 tutorials, P: 23, 29, 31, 33, 35, 37, 75-77

Ch 19: 3 tutorials, Conceptual 1, P: 9, 13, 60-61

Additional Problems

Solution

3/6/13

Mirrors and Lenses Sign Conventions and Diagrams

Workbook Chapter 18

Workbook Chapter 19

HW 20

Ch 20: 2 tutorials, Conceptual 8, MC: 23, P: 3, 5, 6, 7

Additional problems

Solution

3/26

HW 20/21

Electrostatic potential Tut. HW

Ch 20: 5 tutorials, P: 9, 11, 15, 17, 19, 27

Ch 21: 5 tutorials, Conceptual 12, P: 1, 5, 7, 23

Additional Problems

solution

4/3

Workbook 20

Charges, Fields, potentials and capacitors Equations

HW 21/22

Ch 21: P: 86-90

Ch 22: 2 tutorials, MC: 22, 27 P: 4, 10, 12, 18, 33, 39, 46, 50, 68, 69-72

Additional Problems

Answers:  Nerve capacitance / mm = 3.9 x 10-10 F/mm, Energy in 1 mm = 9.5 x 10-13 J, energy for a single pulse = 7.35 x 10-11 J, Power needed to maintain 10 cm of axon = 7.35 x 10-9 W

solution

4/10

Workbook 21

Workbook 22

HW 23

HW 24

Ch 23: 4 tutorials, Conceptual 27, MC: 31, 34, 36, 37, P: 13, 14, 25, 26, 51, 52, 80-83, 84-87.

Workbook 23 items #1-6, 10-15, 18 & 22

Ch 24: 2 tutorials MC 34, 35, 36, 38, 39

solution

4/17