- #1
Karol
- 1,380
- 22
Homework Statement
Homework Equations
$$\frac{dy}{dx}=f(x)~\rightarrow~dy=f(x)dx~\rightarrow~y=\int f(x)dx$$
$$F=ma,~a=\frac{dv}{dt}$$
The Attempt at a Solution
$$-\frac{mgR}{s^2}=mv\left( \frac{dv}{ds} \right)\rightarrow~v^2=\frac{2gR}{s}+C$$
$$v_0(s=R)=\sqrt{2gR}\rightarrow~C=2g(R-1)$$
$$v^2=\frac{2gR}{s}+2g(R-1)$$
Not good