First and Second Right Hand Rules

1st And 2nd Right Hand Rules

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Magnetism Problems

Magnetic Fields Worksheet

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Magnetism

Today class was fun, I think . haha just kidding.  Well, first thing we did were the corrections for our last test.  Afterwards we went over the two worksheets we got yesterday which were the magnetism sheet and the study guide, "24.1 magnets: permanent and temporary".  Once we were done those we were given 2 more sheets which were the magnetic fields, the earth's magnetic field and a booklet, 2.3 Ferromagnetism and the Domain Theory of Magnetism.  In the booklet, we did questions 1-4 together.  If you want them, they should be here somewhere on the front page.

If you do not have any of these sheets yet, you should get them as soon as possible. (=

P.S. Do not forget to ask Ms. Kozoriz for your exam review sheets.  This will help you a lot when it comes to your exam!

g and E review

G And E Review

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Gravitational Fields

The day begins with the looking over of the Chapter 5 worksheet. Students were requested to answer one of the 12 questions on the white board.

Chapter 5 Review
1. 0.29 m/s^2
2. 5 kg
3. 22 x 10^
4. 145 N
5. -0.53 m/s^2

*note: During class I was preoccupied with trying to create an account for this blogger and did not notice the answers following question 5 were written on the back end of the classroom. I do not trust my own answers to post it here.

After answering and correcting the Chapter 5 Review, we were given the Electrical Field/Lines booklet and Chapter 21 Study Guide.

That is all.
Next scribe will be chosen in class tomorrow.

Gravitational Fields

Today in class we went over the Falling and Air Resistance sheets that we were given yesterday.

Here are the answers to the Bronco skydives sheet:

Circle the correct answers.

1) Most

2) a,b

3) d,e

4) still downwards

5) c,f

6) c,f

7) c

8) greater

a) a= 10 m/s²=

b) a= 6 m/s²

c) a = 0 m/s²

d) a = -2 m/s²

e) a = -10 m/s²

f) a = 0 m/s²

Here are the answers to the second sheet we were given. It's the sheet with the 7 problems.

1) Air resistance is equal to weight.

2) Air resistance to weight ratio is less for the skydiver.
Increase the surface area to make both terminal speeds equal.

3) Fnet = 25 N
Fnet = 10 N [ down ]
Fnet = 0 N

4) 100 N

5) As a skydiver falls faster and faster through the air, the net force decreases.
Acceleration decreases.
Reason: As she is falling through the air, there is an increase in air resistance.

6) She gains more speed in the first second of fall.
She gains more distance in the ninth second of fall.

7) We used the following free body diagram to answer this question.

After correcting the sheets we were given a hand out on Static Friction. We went over this hand out and were given out two review packages. If you weren't here today you should go see Ms. Kozoriz to get these sheets.

That was basically it for today's class.

May 25 2009

Today in class we went over the two sheets ms.k gave to us on friday. One of the sheets answers are below this blog. The other sheet we did on the white boards. You will have to see someone in class for the answers for that sheet. today Ms.K gave us two more worksheets, she asked that they are to be finished for tomorrow's class so we can correct both of them in class. That's all we did today. Oh i forgot question 9 and 10 on the second sheet had to be handed in today. So that's it!!!!!!