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QCE Physics Questions Thread

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schoolstudent115:

--- Quote from: A.Rose on August 04, 2020, 03:00:02 pm ---Hello

I just need some help with this question - a little confused with what is happening...what is the stopping length?
Thank you!

--- End quote ---
You can also use energy to solve this (I prefer this method).
Initial KE: 1/2 * m * (16.7)^2.
Work done by ramp = L*mg*sin(15), L is the length  (this is just W = Fs)
Then equate the two, the masses will cancel out.

matthew hay:
Hi there,

Do you or anyone know if there is an annotated syllabus? or even annotated Units 4 syllabus?? Please reply no if not (it saves me the extravagant search!

Thanks and kind regards, Matt

Bri MT:
Hey,

I don't know of any physics syllabus annotations but if this is something you're really interested please feel free to let me know!

matthew hay:
Hi Bri MT,

Yes, an annotated syllabus would very helpful and useful !!!   :D

jasmine24:
Hi, would anybody have any examples on "interpreting graphical representations of electrical potential difference vs electric current data to find resistance using its gradient and its uncertainty". I couldn't find any that also found the uncertainty and I'm unsure as to how to do that
Thank u!

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