# physics

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An airplane is doing a vertical loop in the air. The airplane goes at a velocity of 320 and at the top of the loop, n=500N. The pilot weighs 62kg.
calc the radius of the loop

vertical loop, given: v=320, n at the top=510N, m=62kg

i don't know what eqn i use to find the radius of the loop..

• physics -

What is n?

You will be using centripetal force=weight of plane and pilot

v^2/r= g
Normally, if at the top centforce exactly equals weight.
but I don't know what you mean by n.

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