Gayle runs at a speed of 3.20 m/s and dives on a sled, initially at rest on the top of a frictionless snow-covered hill. after she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. what is their speed at the bottom of the hill if the total vertical drop is 15.0 m?
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In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.
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**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
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Gayle runs at a speed of 3.20 m/s and dives on a sled, initially at rest on the top of a frictionles...
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