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A pilot of mass 81 kg loops the loop wit...

A pilot of mass 81 kg loops the loop with steady speed of 300 km/h. If the radius is 0.5 km then the force with which the pilot is pressed into the seat at the highest point of the loop, is

A

`3.15 xx 10^2 N`

B

zero

C

`8.10 xx 10^2 N`

D

`19.35 xx 10^2 N`

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