The free-rolling ramp has a weight W_r. The crate, whose weight is W_c, slides a distance d from rest at A, down the ramp to B. Determine the ramp’s speed when the crate reaches B. Assume that the ramp is smooth, and neglect the mass of the wheels.

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Given: W, = 120 lb We = 80 lb C 8 = 32.2 ft 2 S a = 3 b = 4 d = 15 ft