Saved Bookmarks
| 1. |
A charged sphere of mass m and charge -q starts sliding along the surface of a smooth hemispherical bowl, at position P. The region has a transverse uniform magnetic field B. Normal force by the surface of bowl on the sphere at position Q is |
|
Answer» `mg sin THETA+qBsqrt(2gRsin theta)`  `v=sqrt(2gRsintheta)` and `""F=qvB` Now `N-(F+mgsin theta)=(mv^(2))/(R)` `:. ""N=F+mg sin theta+(mv^(2))/(R)` `=qBsqrt(2gRsin theta)+mg sin theta+2mg sin theta` `:. "" N=3 mg sin theta+qBsqrt(2gRsin theta)` |
|