- #1

Sheneron

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## Homework Statement

A bead slides without friction around a loop-the-loop (Fig. P8.5). The bead is released from a height h = 3.30R.

http://img530.imageshack.us/my.php?image=p815ye0.gif

(a) What is its speed at point A? Answer in terms of R and g, the acceleration of gravity.

(b) How large is the normal force on it at this point if its mass is 4.40 g?

## The Attempt at a Solution

Having some trouble with both parts. Thanks.