Aperson lowers a bucket into a well by turning the hand crank, as the drawing illustrates. the crank handle moves with a constant tangential speed of 1.22 m/s on its circular path. the rope holding the bucket unwinds without slipping on the barrel of the crank. find the linear speed with which the bucket moves down the well.
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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The reason a penny thrown straight up inside a bus will come back to your hand is that you,the bus,the air inside the bus, and the penny are all moving at the same velocity. true or false
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In the middle of the night you are standing a horizontal distance of 14.0 m from the high fence that surrounds the estate of your rich uncle. the top of the fence is 5.00 m above the ground. you have taped an important message to a rock that you want to throw over the fence. the ground is level, and the width of the fence is small enough to be ignored. you throw the rock from a height of 1.60 m above the ground and at an angle of 54.0 degrees above the horizontal. part a part complete what minimum initial speed must the rock have as it leaves your hand to clear the top of the fence? express your answer with the appropriate units. part b for the initial velocity calculated in the previous part, what horizontal distance beyond the fence will the rock land on the ground?
Answers: 3
Aperson lowers a bucket into a well by turning the hand crank, as the drawing illustrates. the crank...
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