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(This is accompanied with a whiteboard drawn diagram)."Well, the way I solved this problem when I was doing my A-levels was to make a spider diagram. For instance, the particle zoo (the name given to th...

This translates to "what is the difference between 'ser' and 'estar'?"This is a very common question within English students learning Spanish because both 'ser' and 'estar' translate to the verb to...

The first thing to do is to multiply out the brackets. You treat each side of the equation separately. You do this by multiplying each value in the bracket by the number outside the bracket.2 x + 2 4 = 2x+8T...

This requires your knowledge of integration by parts. The trick here is that lnx can also be written as lnx*1 (as any term multiplied by 1 is itself). We set u=lnx and dv/dx equal to 1. Hence from this we ca...

The problem can be easily solved using energy formulas. The only force that acts on the departing object is the gravitational force, which is conservative. Therefore the total energy is conserved on the traj...