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total_gregoir
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Homework Statement
This question isn't worth any marks for my school year, I am helping build a small classroom Trebuchet and I don't know where to look for the equations as i haven't really done any physics yet at school.
I need to workout the power needed to throw a 20 gram ball 2 meters at a 20 and 45 degree angle, the answer needs to be in joules or Newton meters.
Homework Equations
any help to where i can find them would be really helpful
The Attempt at a Solution
I can't attempt the solution without the equations