Physics, 26.02.2021 01:00 kbkbkbkb7611
a metal cube has a mass of 500 grams heated to a temperature of 30 °Celsius and its heat is 30,000 joules. What is the specific heat capacity of the metal cube?
Answers: 1
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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation
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The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
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An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped
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Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
a metal cube has a mass of 500 grams heated to a temperature of 30 °Celsius and its heat is 30,000 j...
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