04/27/15
Rollercoasters
Jimmy is sitting in a box on wheels at the top of a hill. If Jimmy and the box both have a mass of 246 kg and the the hill at location A is 97m high.
When Jimmy gets to the bottom of the first...
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04/20/15
Ice of mass 12.0 kg at 0.00° C is placed in an ice chest
Ice of mass 12.0 kg at 0.00° C is placed in an ice chest. The ice chest has 2.80 cm thick walls of thermal conductivity 1.00 10-5 kcal/s · m · C° and a surface area of 1.20 m2.(
a) How much heat...
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