Physics, 27.05.2021 02:50 therinzler1825
6. A 400 g glass coffee cup at room temperature (20° C), is plunged into hot dishwater (80° C). If the temperature of the cup reaches that of the dishwater, how much heat does the cup absorb?
Answers: 2
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 17:30
Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
Answers: 1
Physics, 22.06.2019 19:20
Which best describes the difference between internal and thermal energy?
Answers: 1
6. A 400 g glass coffee cup at room temperature (20° C), is plunged into hot dishwater (80° C). If t...
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