For the rocket question where we had to find the mass of a planet using conservation of energy, do we equate the change in kinetic energy with the change in gravitational potential energy? so 1/2mv^2 = GMm/r
(m= mass of rocket, M= mass of planet)
Also for the last question about testing whether the hypothesis was true, you had to say that the gravitational force of attraction was insignificant to account for the centripetal force since it was too small, right? By comparing GMm/r^2 and mv^2/r
Maybe I'm wrong, but didn't B and C have horizontal asymptotes, so it couldn't be the answer? Because since y can have any value, and also sin(y) ranges from -1 to 1, so dy/dx has to range from 0 to 2
Thanks for the insight, I was wondering if I can sort of neglect English, and be content that I can get at least band 3 in it, given that I ace my other subjects? I am pretty confident that if I devote most of my time to my other subjects, I can get band 6s for 3U and 4U and Chinese. But then...