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A 460-{\rm kg} piano is being unloaded from a truck by rolling it down a ramp inclined at 25^\circ. There is negligible friction and the ramp is 10.0...
A 460-{rm kg} piano is being unloaded from a truck by rolling it down a ramp inclined at 25^circ. There is negligible friction and the ramp is 10.0 m long. Two workers slow the rate at which the piano moves by pushing with a combined force of 1200 N parallel to the ramp.rolling it down a ramp inclined at 25^circ. There is negligible friction and the ramp is 10.0 m long. Two workers slow the rate at which the piano moves by pushing with a combined force of 1200 N parallel to the ramp.Seymur MammadliPart AIf the piano starts from rest, how fast is it moving at the bottom?
