A 18.6 kg block is released from rest on a 43.7° incline. It takes 4.92 seconds to slide 1.86 meters along the ramp. 

Find the weight of the block.  Fg = N

Find the acceleration of the block.  a =  m/s²

Find the Normal Force.  FN = N

Find the friction.  Ff = N

Find the coefficient of friction.  μ =