JDRpipboy JDRpipboy

07-08-2021
Physics

contestada

A merry-go-round rotates with a centripetal acceleration of 18 m/s^2. If the outer horses are 9 m from the center of the ride. What is their velocity?
A. 12.7 m/s
B. 14.6 m/s
C. 16.3 m/s
D. 10.4 m/s

Respuesta :

Kandake Kandake

09-08-2021

Answer:

A

Explanation:

a_c = v^2/r

v = sqrt*a_c × r*

v = sqrt * 18 × 9*

v = 9×sqrt *2*

v = 12. 7 m/s

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