Aroad runs midway between two long parallel rows of buildings .a motorbike moving with a speed of 36 kmph sounds the horn and hears the echo one second after he sounded the horn. the velocity of sound of that day in air was 347.65 m/s calculate the distance between the two rows of bulidings
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Physics, 21.06.2019 21:30
According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Aroad runs midway between two long parallel rows of buildings .a motorbike moving with a speed of 36...
Computers and Technology, 30.07.2021 04:00
Computers and Technology, 30.07.2021 04:00