P2 revision brief

A brief revision guide with space for your own notes, may be of use may not so good luck with your exams all :)

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Distance-time and velocity-time
There is a major difference between the two remember;
LOOK THESE GRAPHS HAVE THE SMAE GRADIENTS AND AREA BUT THEY MEAN DIFFERENT THINGS.
TRIANGLES

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Resultant Force
Remember the rugby thing? If two rugby players run at each other the one with the more force will
push the other backwards. If player AAA - 60n 50n -BBB = AAA will push a resultant force 10n
-
REFER TO 81 AQA BOOK. SMALL ONE.
TERMINAL VELOCITY- is where the resultant force is zero, for example when a skydiver jumps first
there is less air resistance than gravity slowly these equal out when the resultant force is zero this is
terminal velocity.…read more

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Parallel- the voltage over the battery is the same as over each component so if the battery is 3v
so is each lamp.
Resistance- the greater the width of the
Thermistor-
Light dependent resister-
3 Pin Plug- from left-neutral or blue to you and me, top ­earth wire, right-brown or live.
Current- A.C or alternating current, changes the flow back and forth . this is the mains electricity
for the UK (frequency is 50 hz). D.c or direct current is used in batterys.…read more

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