A child flicks a toy car up a sloping board tilted at $37^\circ$, starting it at $10\ \text{m/s}$; car and board give $\mu_k = 0.25$ ($\sin 37^\circ = 0.6$, $\cos 37^\circ = 0.8$). How far along the board does it climb before it stops? Take $g = 10\ \text{m/s}^2$.