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M3 vertical circles. Need help!!

Hi, I'm just stuck on this question. On the M3 June 2002 paper question 7a, I don't know how to find 'u' in terms g and l. Any advice?
Original post by ggsj95
Hi, I'm just stuck on this question. On the M3 June 2002 paper question 7a, I don't know how to find 'u' in terms g and l. Any advice?


Can you upload the question itself

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Reply 2
Umm... I managed to work it myself now but thanks anyways XD

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