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A 3.0kg- block sits on top of a 5.0kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.65 and the kinetic coefficient is 0.42...

A child sitting 1.50m from the center of a merry-go-around moves with a speed of 1.10m/s . Part a) Calculate the centripetal acceleration of the child. Part b) Calculate the net horizontal force exerted on the child ( = 20.5 ).

part b: If the force is 10% greater than your answer for (a), what is the acceleration of each block?

nvm i got the answer, i was just cofused on how you explain it. Thank you . I got 5 for part a and for part b got 7.14. thank you

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