Showing posts with label ~sOmeOne~. Show all posts
Showing posts with label ~sOmeOne~. Show all posts

Wednesday, May 4, 2011

MAY 4 :D

HI GRADE 12s! :D

so today, we just take over the questions on pages 27, and 36-37

~on page 27, the answers are already given.
Here the formulas used for each question to find the answer:
#1 & 3 K = R^3 / T^2 -> grey booklet page 13
#2 (Ta/Tb)^2 = (ra/rb)^3 -> grey booklet page 7
#4-7 F=G(m1m2/r^2) ->grey booklet page 11
#8 & 9 T=2pi ­(square root of r^3/Gm) -> blue booklet page 5

~answers on page 36-37
1.) 180N
2.) 3.5x10^6m
3.a.) m=25kg
b.) 230N
4.a.) 546N
b.) 490N
5.a.)2.6x10^-9N
b.) 3.9x10^-11 m/s2
6.) 3.9x10^-11m/s2
7.a.) 1470 N
b.) 160 N
c.) 4500m/s



and we are going to take over pages 10 and 11 tomorrow, make sure you've done it.. :D see yeah later peeps! :D

Friday, February 25, 2011

Dynamics Worksheet






Today, we did answer the dynamics worksheet. here are the answers for the dynamic worksheet and the questions itself.

The dynamics test will be on Monday, February 28, 2011

The next to scribe is goldenfalcon