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# M1 Maths HELP

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1. (Original post by Jozanic)
Still getting the same equation
You might want to practice some algebraic manipulation soon then. Anyhow:

Gonna use

can you finish from there?
2. (Original post by RDKGames)
You might want to practice some algebraic manipulation soon then. Anyhow:

Gonna use

can you finish from there?
Thanks man. I made a silly mistake with one fraction. I got 20 and 100 for V.
3. Are you doing the MEI exam board, because I remember an extremely similar question from when I went through the textbook.
4. (Original post by Jozanic)
Thanks man. I made a silly mistake with one fraction. I got 20 and 100 for V.
That is correct, but only one of them is valid.

Remember that there is T for which the speed is constant, and this lies between and

So and express it in terms of V. Try both values of V and you will see that one of them does not make sense, hence you get left with one.
5. (Original post by Jozanic)
Thanks man. I made a silly mistake with one fraction. I got 20 and 100 for V.
Omg that's what I got whoop whopp
6. Honestly think I'd personally learn better from just looking at a full solution...
But I guess the forum rules do make sense, as people could use it as a cheating mechanism, however I'd work better with full solutions just saying maybe the rule could be refined or something, like to get a full solution answer, you must show a reasonable attempt, and then only can people reply with full solutions

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Updated: September 17, 2016
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