makaylareed369 makaylareed369

23-10-2016
Physics

contestada

An 85 kg object is moving at a constant speed of 15 m/s in a circular path, which has a radius of 20 meters. What centripetal force is exerted on the body? A. 42.50 N B. 765.00 N C. 63.75 N D. 956.25 N

Respuesta :

syed514 syed514

04-11-2016

as we know that centripetal force =mv^2/r
given data is
m = mass
v = speed
r = radius
putting values we get

= 85 x 15^2 / 20

= 956.25 N
option d is correct

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