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