Physics, 04.09.2021 02:10, isabellesmith51317
A rectangular trough, 1.9 m long, 0.70 m wide, and 0.45 m deep, is completely full of water. One end of the trough has a small drain plug right at the bottom edge.
When you pull the plug, at what speed does water emerge from the hole?
Express your answer using two significant figures.
Answers: 2
Physics, 21.06.2019 23:30, southerntouch103
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 20:20, SoccerHalo
The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)
Answers: 3
A rectangular trough, 1.9 m long, 0.70 m wide, and 0.45 m deep, is completely full of water. One end...
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