AP Physics Warm-up #10

A 0.500 kg block is on a ramp attached to a mass
hanging over a low friction pulley via a light string.
The ramp is elevated at 25.0
°. The block is accelerated
up the ramp at 0.256 m/s2. The block and ramp experience
a 0.285 coefficient of kinetic friction. What is the hanging mass?