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# circular motion m2 Watch

1. I got the answer to Q3 wrong; can anyone see why?
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2. (Original post by pippabethan)
I got the answer to Q3 wrong; can anyone see why?
At B, "h" is 0.5+0.5cos theta, not 0.5 + cos theta.

Not checked further.
3. (Original post by ghostwalker)
At B, "h" is 0.5+0.5cos theta, not 0.5 + cos theta.

Not checked further.

Thank you! I made this change, and realised at a later point I had also taken the radius to be 1 (oops), so changed that as well. My answer's still different though...
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4. (Original post by pippabethan)
Thank you! I made this change, and realised at a later point I had also taken the radius to be 1 (oops), so changed that as well. My answer's still different though...
The line: means that .
5. (Original post by Zacken)
The line: means that .
oops! I'll give it another go
6. (Original post by pippabethan)
oops! I'll give it another go
Let me know if it works out!
7. (Original post by Zacken)
Let me know if it works out!
Got it! Thank you so much
8. (Original post by pippabethan)
Got it! Thank you so much
Legend.

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