The 0.20 kg puck on the frictionless, horizontal table in the figure is connected by a string through a hole in the table to a hanging 1.20 kg block.(Figure 1) With what speed must the puck rotate in a circle of radius r = 0.60 m if the block is to remain hanging at rest?

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

massxgravity x heght=weightxheight= pe

4900=490xh

h=10

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