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OCR A Level Mathematics Pure maths and mechanics H240/03 - 21 Jun 2022 [Exam Chat]

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Original post by BritishBOI

I did SUVAT for both a and b and made the displacements equal to eachother since if they were to take over they would have to be in the same place at a moment in time

If you do that you need to be careful because A stops decelerating before B overtakes, so you need to do it in 2 parts. I think the answer is 45s.

Optionalrat2451

Guys what was the angle of projection in the final question?

Original post by Sunflower2003

what did people do for method for sequences one i got y=5 at some point

I solved the quartic to get y=5 then showed that the value worked for the arithmetic series and then the geometric series as well it's probably the totally wrong method but eh

Original post by mxttd

If you do that you need to be careful because A stops decelerating before B overtakes, so you need to do it in 2 parts. I think the answer is 45s.

I did 2 separate pieces of working out and got 20s on one part and 45s on another part I don't remember which I finally chose as my answer lol

Original post by Optionalrat2451

Guys what was the angle of projection in the final question?

I think I got 33.7 but can someone else confirm?

Original post by FeakandWeable

I think I got 33.7 but can someone else confirm?

I got that too. tanθ=2/3 I think I ended up getting

Original post by mmmnommfanboy

I got that too. tanθ=2/3 I think I ended up getting

Please can you all stop. No good will come of this. Results in August. Have some fun….

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