A PERSON LOWERS A BUCKET INTO A WELL BY TURNING THE HAND CRANK. THE CRANK HANDLE MOVES WITH A CONSTANT TANGENTIAL SPEED OF 120M/S ON ITS CIRCULAR PATH. THE ROPE HOLDING THE BUCKET UNWINDS WITH OUT SLIPPING ON THE BARREL OF THE CRANK. FIND THE LINEAR SPEED WITH WHICH THE BUCKET MOVES DOWN THE WELL
1 answer
120 = speed of bucket * radius of handle/radius of barrel