Physics Calculations Watch

Kieraphilip
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I’m struggling to work out when to use which formula
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strwbmilk
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what formulas? are you talking about equations/ formulas of motion ?
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Labrador99
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(Original post by Kieraphilip)
I’m struggling to work out when to use which formula
Which type of questions for specifically?

When you've read the question, write down the things you know, and write down also the symbol for the thing you are trying to find as well, e.g. (as a very simplified example):
A car travels in a straight line at a constant speed of 3m/s for 12 seconds. How far does it travel in this time?
v= 3m/s
t= 12s
s= ?

Then, using your formula sheet, you can establish which equation contains all of the variables you've been given values for (and the one you need to find), and that will be the one to use. Sometimes, you might need to use of equation first to be able to use the second one and find the value you need.
Hopefully this helps a bit
Last edited by Labrador99; 2 weeks ago
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