Questions and Answers
Bead Loop Bracelet
| 1. A bead Slides W/o Friction Around A loop The loop. The bead Is Released From A Height 11.4m From The Bottom? "of the loop the loop which has...at the very top of the loop the loop? Answer in ... KEi+PEi=KEf+PEf 0+mg(11.4)= .5mv^2 + mg8 111.72=78.4 + .5v^2 v^2=66.64 v=8.16 m/s for the second part, you have the normal force..." |
| 2. A bead Slides Without Friction Around A loop-the-loop. Th bead Is Released From 27.1m.? "The radius of the loop is 9m. With...it at the top of the loop if the mass is... Using energy .5*m*v^2=m*g*h where h is the net vertical loss v=sqrt(2*g*(27.1-18)) v=13.36 m/s The normal force..." |