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jsmith613
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Homework Statement
http://www.edexcel.com/migrationdocuments/GCE New GCE/sam-gce-physics.pdf
Unit 4 Q18)
"A do-it-yourself..."
could someone please explain to me ci) and cii)
Homework Equations
I cannot think of any equation to help me
The Attempt at a Solution
I looked at the mark-scheme and they said mass = Area * velocity
What I don't understand is why this is true
for cii)
Force = mass * acceleration
so acceleration (moving in a circle) = v^2/r
acceleration = (14*14)/0.9 = 217.78
But this would give an enourmous answer to cii) which is far greater than the correct answer?