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# M1 Suvat

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1. https://2802a3b1a650824d2586fd3336bd...%20Edexcel.pdf
question 5

i've gotten
s=50+2t-4.9t²
and
s=20t-4.9t²

where did i go wrong?
2. (Original post by Big white)
https://2802a3b1a650824d2586fd3336bd...%20Edexcel.pdf
question 5

i've gotten
s=50+2t-4.9t²
and
s=20t-4.9t²

where did i go wrong?
Why do you think you've gone wrong? hint: you haven't.
3. (Original post by Zacken)
Why do you think you've gone wrong? hint: you haven't.
Yet my answer is wrong, more working out then, so is this right then?

s=s where they're both at high h
50-2t-4.9t²=20t-4.9t²
50=22t
t= 2.27(3sf)
4. (Original post by Big white)
Yet my answer is wrong, more working out then, so is this right then?

s=s where they're both at high h
50-2t-4.9t²=20t-4.9t²
50=22t
t= 2.27(3sf)
You said + 2t in your first post and now you've changed it to -2t?
5. (Original post by Zacken)
You said + 2t in your first post and now you've changed it to -2t?
Thanks

(this is why i'm getting plenty of pity marks i.e method marks)
6. (Original post by Big white)
Thanks

(this is why i'm getting plenty of pity marks i.e method marks)
No problem.

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