WME01/01 IAL (Edexcel) M1 June 2021 Q5 Vectors, Velocity, Constant Acceleration

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Hi, I did my Oct M1 exam today and for the last 3 days prior I’ve only been binge watching your mechanics videos and I’ve learned so much from all of them. I honestly can’t thank you enough. You are literally a life saver and I’m so lucky to have found your videos :’)

liyomiedharmaratne
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this is very helpful, if you need a quick and very understandable/organized explanation.

alieltouny
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7:16 Sir is the velocity eqn in Vector analogous to the the position vector formula ( r= inital position + vt)? Basically "position"s get switched with velocity, and velocity gets switched with acceleration? Or are we thinking in the context of v = u + at?

sajidahmed-vlgo
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M1 exam is tomorrow, wish me luck guyss

Ghosty
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At 3:43 can't we find magnitude by using direction and multiply that with speed? I don't understand why we have to multiply direction with K(which we don't know).

yeon
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I can just leave the answer in fractional form right? Unless if its specified like "3 s.f."

ghaissaleem
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The "t" that you put in the equation of Vp, how do we know that the magnitude of that "t" is also equal to the "t" in the equation of Vq?

jmain
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hi, what if we had the magnitude but not direction, how would we find that?

nathaka
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what if we find the value of k from here 5:43 and get the velocity at T and use it in part b, is that fine?

Affan-yu
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Sir for part b why did we find new velocity of p and why didnt we use v=-ki +2kj

SaifulIslam-uux
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How did you know we need to multiply with something for magnitude

uhidk