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A bullet is fired horizontally with a velocity of 800 from a height of 3m above the the horizontal plane. What is the range of the bullet?

omg i feel stupid for asking this question cause I cant get it, im probs tired or something, but here it is anyways: One layer of tinting material on a window cuts out 1/5 of the sun's UV rays. 1)what fraction would be cut out by using two layers? 2) How many layers would be required to cut out...

hwo do you integrate xe^x

Hey, I need help with this question, fsr this topic is just not going my way >_> "Two points P, Q move on the parabola x^2 = 4ay so that the x-coordinates of P and Q differ by a constant value, 2a. What is the locus of M, the mid-point of PQ?"

Does anyone by any chance have a collection of trial past papers for 2unit, from a variety of different schools?