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A certain model rocket has a pre-launch mass of 87.3 g, of which 10.5g is propellant. It is able to deliver a thrust of 6.1 N. Assuming the rocket is fired directly up, calculate: a) the initial rate of acceleration and g force b) the final rate of acceleration and g fore just prior to...

So I'm going to start going ahead in MX1 and I was wondering what chapters are the most difficult (or hardest to grasp). I've already started circle geometry (before my class) as I know it definitely needs alot of practice. What other topics would you recommend I do?

My First Thread ^^ So the school I go to is pretty horrible at Physics. We got 1 band 6 three years ago, I think. But that's about it. Its because our teacher is horrible at the subject and is basically learning it as we are learning it. I was wondering how difficult it would be to be a band 6...