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Initially the air resistance (r) is low, and the force due to gravity (mg) is high. These forces are unbalanced so the skydiver accelerates downwards. (mg > r)As the velocity increases the force of air...

SOLVING ALGEBRAICALLY3/5 of "a number" = 3/5 of "x"3/5 of x is equivalent to (3x)/5(3x)/5 = 162Move the "5" to the other side by multiplying:3x = (162x5) = 810We now have 3x ...

How you structure your answer, in my opinion, will depend on how you like to write. There are several ways to structure an essay, and it might be worth you experimenting with a few before you settle on on...

The first thing that I would do when approaching an unseen extract is to read the extract all the way through without making any notes - this will allow you to gain a complete understanding of the text an...

Both molecules have a C-Br bond, which will be polar due to their difference in electronegativities (bromine is more electronegative than carbon). In CBr3CBr3 the dipoles cancel so the overall molecule is...