Answer:
Step-by-step explanation:
2R=m{g-(v^2h)/(ra)}
\[2R/m=g-(v^2h)/(ra)\]
(v^2h)/(ra)=g-(2R)/m
v^2=(ra)/h{g-(2R)/m}
[tex]v=\sqrt{\frac{ra}{h}(h-\frac{2R}{m}) }[/tex]
