Test

i think the test was not hard but somewhat confusing.

SNOWBOARDING

oh im going snowboarding on saturday if anyone wanted to go probably mt. high or something or big bear its night boarding and theres suppose to be expected snow fall about 12 inches so for the avid snow goers let me know (you dont get extra credit) but you know its something fun to start off the winter break

FYI

YOU MUST SHOW ALL WORK FOR THE TEXTBOOK REVIEW PROBLEMS FOR THE WORK TO BE COUNTED

-Mr.B

BOOK ANSWERS

PLEASE READ THE LAST POST FOR IT CONTAINS INFORMATION ON THE TEST AND EXTRA CREDIT DONT FORGET THAT THE TEXTBOOK REVIEW PACKET IS DUE ON THURSDAY AND NOT THE GMAIL REVIEW PACKET

ANSWERS

CHAPTER 3
1. a. 45 miles b. +115
3. a. zero displacement b. 6.0m
4. 1.5 X 10^11 m
5. 1.8 minutes
9. a. 14 km/h, west b. no

CHAPTER 4
1. 8.0 m/s^2
2. a. 247 m/s^2 b. -207 m/s^2
5. 33 m/s
6. b. 8.0 m c. 32m d. 110 m e. 4 m/s^2 f. 0 constant velocity
8. a. 607 m/s b. 1.83 times the speed of sound
9. 7.0 X 10^4 m/s
10. 9.2 X 10^2 m
12. a. 43m b. 43m
14. 1.2 s
16. 71 m/s
18. a. 24 s b. 7.4 X 10^2 m
23. 29 times g
27. a. 5 m/s b. 1.7 m/s^2 c. 67 m

CHAPTER 5
1.a. 45 m/s^2 b. 3.9 X 10^4 N c. 3.1 X 10^3 N d. inertial mass
5. 3.1 X 10^3 N
9. 6.6 X 10^-25 m/s^2
10. -2.0 m/s^2
11. a. 95.0 kg b. 929 N c. 95.0 kg d. 934 N e. "mass-in"
12. 250 kg
14. 1.13 X 10^4 N; opposite direction of motion
17. -1 m/s^2
25. 4.8 m/s^2

CHAPTER 6

THERE ARE NO VECTOR ANSWERS BECUASE YOU SHOULD ALREADY KNOW THEM!!!

CHAPTER 7
2. 32m
3. a. 0.500 s b. 0.800 m/s
4. 33m; 7.3 m
13. a. 9.65 m/s^2 b. 5.94 X 10^3 N
15. a. 6.3 N b. 25 N c. 4:1
17. a. 2.62 X 10^7 m/s^2 b. 2.64 X 10^4 N c. 4.78 X 10^-4 s

Chapter 8
1. see fgure 8-15, only d is possible. a and b do not have sun at a focus; c dores not have planet in plane of ellipse
8. Since T= 2(pi)(sqrroot r^3/Gm), as the mass of the planet increases, the period of a satellite will decrease, and since Earth has a larger mass, Earth's satellite will have the smaller period.
9. d= Re + Re = 2Re so, a = g( Re/2Re)^2 = (1/4)g
20. a. 3.07 X 10^3 m/s b. 24.0h
22. a. 0.2 m/s^2 b. 2 X 10^1 N
23. a. 1.80 X 10^3 N b.800 N
26. 6.68 N/kg
28. 352 N

CHAPTER 9
1. 351 kg-m/s
3. 42 m/s
5. a. 2.04 X 10^4 N-s b. 300 N
7. 2.6 X 10^2 N
9. 1.0 X 10^3 kg
16. a. 1.0 X 10^-3 kg-m/s b. -6.0 X 10^-4 kg-m/s c. 6.0 X 10^-4 kg-m/s d. 1.60 X 10^-3 kg-m/s e. 16.0 cm/s
19. 11 m/s
23. The student with the smaller mass
27. 0.22 m/s, original direction

CHAPTER 10
1. 8.0 X 10^2 J
3. 59.9 kg
8. a. 826 N b. 1.13 X 10^4 J c. -1.13 X 10^4 J
11. 3.1 X 10^4 J
13. 7.7J
19. a. 348W b.696W
23. 1.6 X 10^2 W
29. a. 250 N b. 50 N c. 5.00 X 10^3 J d. 300 N e. 4.00
31. a. 4.00 b.3.59 c.89.8%
33. 98 J

CHAPTER 11
not able to post because im tired and lazy ahahah have fun with this one lets see how many you can get right!!!!!!!!!!!!!!!!!!!!!!!!!! ill make this chapter special for you guys!!!

- Mr.B

EXTRA CREDIT INFO

sorrie for the lagger-ness
okay for the extra credit question just posted

EXTRA CREDIT

-All tanned example problems from chapter 1-11 there are about 60 of them i believe from count

-no need to replicate the question just answer the question as if you would for a test.

THINGS I WILL BE LOOKING FOR THE EXTRA CREDIT

1.EQUATIONS
2.GIVENS
3.WORK
4.ANSWER
5.BOXED ANSWER

And also i have changed the extra credit points which have not been alterned anyway just for test purposes.

STUDY HARD I FINALLY HAVE THE TEST READY FOR YOU GUYS

REMEMBER that there will be two parts the the test in combined score of 100 pts NOT 200 anymore.

PART 1 of the test will include a question each from: Projectile Motion, Vectors, Forces, and Free-Fall Object, and bonus question. Remember that the lowest question will be dropped and will take the top 4 highest scores

Total possible points for PART 1 will be 50 pts

i have augmented the multiple choice, short answer and true/false due to time constraints and will take into consideration and give points based on the review posted from the email which you guys were suppose to be accountable for in which i will not check work but will do so on an "honor system"

PART 2 will cover: Work, Universal Gravitation, and Momentum, as well as 2 bonus questions to compensate any missed material.

Total possible points for PART 2 will be 50 pts

To summarize:

Part 1: 50 pts
Part 2: 50 pts
Total: 100 pts
Extra Credit: 15 pts
Review Packet (Bookwork): 50 pts <- This must be turned in DUE THURSDAY before PART 2 of the test
GMAIL Review Packet: TBD based on need

if you have any questions please feel free to email me at bboonsook@csupomona.edu

-Mr.B

Extra Credit

So.. what are the extra credit questions again? Wasn't Mr. B supposed to post it here?! >:[

crib sheet anyone?

im lazy to make a crib sheet. someone wanna scan me one?

-richard =) LOL