A wet bar of soap slides down a ramp 9.4 m long inclined at 8.0∘ .

How long does it take to reach the bottom? Assume μk = 0.064.

1 answer

h = 9.4*sin8.0 = 1.31 m.

h = 0.5g*t^2 = 1.31 m.
g = 9.8 m/s^2.
t = ?