Physics, 25.10.2019 01:43 KittyLitty
Aspacecraft is fueled using hydrazine (n2h4; molecular weight of 32 grams per mole [g/mol]) and carries 1640 kilograms [kg] of fuel. on a mission to orbit a planet, the fuel will first be warmed from −186 degrees fahrenheit [°f] to 78 degrees fahrenheit [°f] before being used after the long space flight to reach the planet. the specific heat capacity of hydrazine is 0.099 kilojoules per mole kelvin [kj/(mol k)]. if there is 300 watts [w] of power available to heat the fuel, how long will the heating process take in units of hours [h]?
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Physics, 22.06.2019 03:40
Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.
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Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
Answers: 3
Physics, 22.06.2019 08:20
At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?
Answers: 1
Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
Aspacecraft is fueled using hydrazine (n2h4; molecular weight of 32 grams per mole [g/mol]) and car...
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