What work must the net external force do
A 6300-kg satellite is in a circular earth orbit that has a radius of 3.0 x 107 m. A net external force must act on the satellite to make it change to a circular orbit that has a radius of 8.3 x 106 m. What work must the net external force do?
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Which is then restored to its initial T and P. As a result of the process, does the total number of moles of liquid increase, decrease, or remain unchanged? and Why?
A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element no.80. If the initial velocity of the proton is 4 x 107 m/s, what is the distance of closet approaching to the nucleus? Assume the nucleus remains at rest.
Why is it that Van der Waals can be used to describe the behavior of a real gas? What is the rationale for the equation used and how are the parameters determined?
Draw a schematic diagram of the cycle and start with the naming point 1 the inlet of steam to the turbine and then pt. 2 is the exit from the turbine etc.
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 598 N. As the elevator later stops, the scale reading is 392 N. Assume the magnitude of the acceleration is the same during starting and stoppin
The change in Gibbs energy that accompanies the oxidation of C6H12O6 (s) to carbon dioxide and water vapor at 250 C is -2828 KJ mol-1. How much glucose does a person of mass 65 kg need to consume to climb through 10 m?
Determine (a) the effectiveness of the regenerator, (b) the rate of heat removal from the refrigerated space, and (c) the COP of the cycle.
(a) Find the force acting on the electron as it revolves in a circular orbit of radius 5.34 x 10-11 m. (b) Find the centripetal acceleration of the electron.
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Bernie, in a very early session of a counseling group, expresses emotions ranging from fear to anxiety, uncertainty to hope
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