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Motion Q
Just totally forgotten the process of how to work through this A man stands on the roof of a tower and shoots an arrow in a horizontal direction. The arrow starts 45m above the ground with an initial speed of 30m/s. Assume G=10m/s/s What time elapses before the arrow strikes the ground...- Teoh
- Thread
- Replies: 6
- Forum: Mathematics Extension 1
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T
complex cube of unity
Edit: Yes, well that was just a totally stupid post by me :)- Teoh
- Post #6
- Forum: Mathematics Extension 2
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T
complex cube of unity
Might be kinda stoopid, but I didn't understand why we wanted to get here...:confused:- Teoh
- Post #5
- Forum: Mathematics Extension 2
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T
Complex numbers
- Teoh
- Post #4
- Forum: Mathematics Extension 2
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T
Complex numbers
Troubles with: Finding the 5th roots of 1... And also: z = cos? + isin?, show that z<sup>n</sup>+ 1/z<sup>n</sup>= 2cos?- Teoh
- Thread
- Replies: 5
- Forum: Mathematics Extension 2
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