Joint And Combined Variation, (With Solution) , The Centripetal Acceleration A Of An Object Varies D

JOINT AND COMBINED VARIATION

(WITH SOLUTION)

The centripetal acceleration a of an object varies directly as the square of its velocity v and inversely proportional to the radius r of the circle. The centripetal acceleration of Tha object is 45cm/s² with a velocity of 6cm/s and the radius of 4 cm. What is the centripetal acceleration of the object if the velocity is 4cm/s and the radius is 5cm?

 

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