Answered: (c)What If? What is the minimum height…

(c)What If? What is the minimum height h from which the bead can be released if it is to make it around the loop? (Use any variable or symbol stated above as necessary.)

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Question

(SOLVE ONLY PART (C) )

A bead with a hole through it slides on a wire track. The wire is threaded through the hole in the bead, and the bead slides without friction around a loop-the-loop (see figure below). The bead is released from rest at a height h = 3.90R.

(a)What is its speed at point A? (Use the following as necessary: the acceleration due to gravity g, and R.)

(b) How large is the normal force on the bead at point A if its mass is 5.20 grams?

magnitude

direction

(c)What If? What is the minimum height h from which the bead can be released if it is to make it around the loop? (Use any variable or symbol stated above as necessary.)

h =