What is approximately the centripetal ac...

What is approximately the centripetal acceleration (in units of acceleration due to gravity on earth, g = 10 m `s^(-2)`) of an air-craft flying at a speed of 400 m `s^(-1)` through a circular arc of radius 0.6 km ?

A

`267 m//s^(2)`

B

`169 m//s^(2)`

C

`135 m//s^(2)`

D

`302 m//s^(2)`

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The correct Answer is:

A

`a_( c) = v^(2)/R = (400)^(2)/(0.6 xx 10^(-3))= 26.7 xx 10 = 267 m//s^(2)`

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