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Meh it says that in most textbooks Sent from my iPhone using Tapatalk

Re: HSC 2016 2U Marathon Yes but we are trying to use integration Sent from my iPhone using Tapatalk

Re: HSC 2016 2U Marathon Why do we solve this differently ? I don't get why we need to take out pi Sent from my iPhone using Tapatalk

HSC 2016 2U Marathon Calculate the area between the curve (4-x^2)^(1/2) and the x-axis for the 1st quadrant only. Sent from my iPhone using Tapatalk

Tea leaves Sent from my iPhone using Tapatalk

1. Isn't the orbital velocity significantly greatest about the equator ? 2. Yeh sorry :/ right concept more detail? Sent from my iPhone using Tapatalk

1. Rockets are lunched from the equator of the earth from a westerly to easterly direction. This is done to both minimise the distance to outer orbit and take advantage of the earths rotation about its axis. (Note that the earth is an oblique spheroid making it widest at the equator) 2. The...

Cannonballs P and Q are fired so that they leave their barrels from the same height. Cannonball P is fired vertically upwards while cannonball Q is fired at an acute angle. Both cannonballs take 3 seconds to reach the same maximum height. Explain how the resulting motion of the cannonballs...

If the object is at rest it will just obviously fall.... Sent from my iPhone using Tapatalk

3/4? Sent from my iPhone using Tapatalk

When an object such as a space probe approaches a planet, it is accelerated by the larger mass' gravitational pull, this statement is often misinterpreted as the source of the slingshot effect. However when the space probe continues back out of the planets atmosphere it will again be effected by...

Wow that's worth a whole mark ? Sent from my iPhone using Tapatalk

How many marks would this question be. Also is there any rule to follow in relation to marks per question ? Should I approach questions differently in relation to there given marks ? Sent from my iPhone using Tapatalk

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Ohhh so I could say the this statement is genuinely accurate however the vectors of which these two planets attract are in opposite directions? Sent from my iPhone using Tapatalk

Could you please explain what you mean by this or provide an example Sent from my iPhone using Tapatalk

Okay, yes I new that I just wasn't thinking about what I was writing haha thank you Sent from my iPhone using Tapatalk

I wouldn't be surprised if I am completely wrong Sent from my iPhone using Tapatalk

According to Newtons 3rd Law, 'Every reaction will have an equal and opposite reaction' we are aware that when two objects interact with each other that there will be a force between them that is the same in magnitude however opposite in direction. Hence it is logical to assume that the Earth...

Sorry it took me so long Sent from my iPhone using Tapatalk