Sppose a 1-kg parcel of dry air is rising at a constant
Suppose a 1-kg parcel of dry air is rising at a constant verticalvelocity. If the parcel is being heated by radiation at the rate of10-1 W kg-1 , what must the speed of rise beto maintain the parcel at a constant temperature?
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a water heater is operated by solar power if the solarcollector has an area of 600 m2 and the intensitydelivered by
a window washer is standing on a scaffold supported by a vertical rope at each end the scaffold weighs 200n and is 321
erin is late tp physics class and is coming down the hall as the bells are ringing there are two bells in the hall one
the morning sounding shows an is othermal layer from 800 to 700 mbat -11oc and the temperature in the layer from 390
suppose a 1-kg parcel of dry air is rising at a constant verticalvelocity if the parcel is being heated by radiation at
a 25 kg child on a swing 2m long is released from rest whenthe swing supports make an angle of 30 degrees with
suppose a monatomic ideal gas is contained within a verticalcylinder that is fitted with a movable piston the piston
a monatomic ideal gas expands from point a to point b along the path shown in the drawinga determine thework done by
after holding the piston for a short while you let it gowhat happens to the piston is work done on or by the gas
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