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M2 Question----Circular Motion watch

1. Already got part a) but can't do anything about part b)...I'm sure that the b)i) will lead me to solve the questions afterwards, however I don't know how to find the max speed Need help pleaseeee
2. (Original post by Oliviazh)
Already got part a) but can't do anything about part b)...I'm sure that the b)i) will lead me to solve the questions afterwards, however I don't know how to find the max speed Need help pleaseeee
Part (b) is basically part (a) except with , ,

So - you now need to maximise this expression.
3. (Original post by Zacken)
Part (b) is basically part (a) except with , ,

So - you now need to maximise this expression.
Hint: this is maximised when is maximised.

Hint 2: The above expression is maximised when is maximised.

Hint 3: The maximum value of is .
4. (Original post by Zacken)
Hint: this is maximised when is maximised.

Hint 2: The above expression is maximised when is maximised.

Hint 3: The maximum value of is .
Oh How stupid I am! Thanks a lot
5. (Original post by Oliviazh)
Oh How stupid I am! Thanks a lot
No worries.

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