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Physics 9 Online
OpenStudy (anonymous):

A bead slides without friction around a loop–the–loop (see figure below). The bead is released from rest at a height h = 3.80R. What is its speed at point A? (Use the following as necessary: the acceleration due to gravity g, and R.) V=__ How large is the normal force on the bead at point A if its mass is 4.10 grams? magnitude=__ Direction=downward

OpenStudy (anonymous):

How is R going from 3.8 to 2?

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