Ziemniak0910 Ziemniak0910

09-12-2018
Physics

contestada

Please help, I really don't know
Estimate the length of the day if the centripetal acceleration at the equator due to the spinning Earth was equal to the acceleration of free fall (g=9.8 ms⁻²)
Thanks

Respuesta :

osprey2015 osprey2015

10-12-2018

circular motion.

cent acc = r omega^2 ... omega is ang vel ... omega=2pi/T ,,,

9.8=rx(2pi/T)^2

if r is known, solve for T

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