4/15 Physics update and homework due 4/22

Hi folks,

Today we took time to learn about natural frequency and resonance as well as a few more bits and pieces regarding waves and how they transfer energy. 

Homework for next week is to:

Read the Sound chapter in the book. Pages 390 to 400 (We've been talking on and off about sound this entire unit. This chapter will help to solidify a lot of the concepts we've already been discussing.)

Do Review Questions on page 401 #'s 1 - 20.

Best,

Jim Mueller

(919) 907-3217

Link to the Slinky Interactive pdf

 Here is the .PDF that goes along with the Slinky Interactive.  The activity and PDF used to be on the same page but they seem to have changed that.  

https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Slinky-Lab/Slinky-Lab-Exercise

Best,

Jim Mueller

(919) 907-3217

Link for the Slinky Lab

Hi folks,

I changed the link for the Slinky Lab before sending the email but apparently it didn't work.  Here's the link again.

https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Slinky-Lab

Best,

Jim Mueller

(919) 907-3217

4/8/19 Physics Class Recording - More Waves

https://youtu.be/SCGDKo1B0Y8

4/8 Physics update and homework due 4/15

Hi folks,

Today in physics we got spent more time with waves and got the chance to really see the relationships between velocity, frequency and amplitude of a wave.

For homework this week:

Navigate to this page http://www.physicsclassroom.com/class/waves and read each of the sections indicated below.

Do all the questions on each one of the pages.

Use Slinky Lab Interactive to do the .pdf that accompanies the activity.

This may work better on some browsers than on others.  I find it works quite well with Google Chrome.  Does not seem to work with FireFox.

Vibrational Motion

Properties of Periodic Motion

Waves and wavelike motion

What is a wave?

Categories of Waves

Anatomy of a Wave

Frequency and Period of a Wave

Energy Transport and Amplitude of a Wave

Speed of a Wave

The Wave Equation

4/1 Physics Class Recording - Intro to waves

https://youtu.be/CZQSY4feSoE

4/1 Physics update and homework due 4/8

Hi folks,

Today we moved forward in our energy block by getting to know some of the terms used to describe waves and wave motion. We will be doing more with this next week.

Homework for this week is to:

Read pp. 372 - 379 in the Conceptual Physics book

Do Review Questions pg. 387 #'s 1 - 11

Do Plug and Chug 1-5

Extra credit possibility - look online to find the formula for the relationship between the frequency of a pendulum and the length of string. Using the formula, calculate the length of string necessary to create a pendulum with a 1.5 Hz frequency. Test your result at home find out if your prediction is right. Hand in your prediction, your result and your percentage error for extra credit.