Physics, 24.08.2021 03:30 jholland03
5. Temperature and heat are related concepts, but they
don't mean exactly the same thing. Here's an
example: you have two beakers containing water at
the exact same temperature, 80°C. Beaker 1 has
twice as much water as Beaker 2. Your teacher tells
you that even though they have the same
temperature, one has more heat energy than the
other. a) Which beaker do you think has more heat
energy? b) Why?
Answers: 2
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
Physics, 22.06.2019 18:30
Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
Answers: 1
5. Temperature and heat are related concepts, but they
don't mean exactly the same thing. Here's a...
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