Qualification > Math

mechanics help

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manuroqs:
hi! the mechanics ppr is tommorrow..Can anybody help me out with a question.It's from OCT/NOV 05 Q7)iii).How do u do it?

astarmathsandphysics:
here

manuroqs:
thanx :)
but the answer is wrong for the last part,it's 3.456 J in the marking scheme.I think u made a mistake in calculating the distance for ball with mass 0.3g

astarmathsandphysics:
Check my working. Home again soon.

Igcseboy:

--- Quote from: manuroqs on May 18, 2010, 05:28:57 pm ---hi! the mechanics ppr is tommorrow..Can anybody help me out with a question.It's from OCT/NOV 05 Q7)iii).How do u do it?

--- End quote ---


which board???

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