Question 469127
{{{T+mg=(mv^2)/R}}}
{{{T=(mv^2)/R-mg}}}
{{{(mv^2)/R-mg=T}}}
{{{m(v^2/R-g)=T}}}
{{{m((v^2-gR)/R)=T}}} multiply by R
{{{m(v^2-gR)=TR}}} divide by {{{(v^2-gR)}}}
{{{m=(TR)/(v^2-gR)}}}