Maintaining the same gravitational attraction
Question: If the distance between two objects is doubled, by how much should the mass of the first object increase, assuming the mass of the second is a constant, to maintain the same gravitational attraction.
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The atom decays and ejects an electron of speed .48c relative to itself. What is the speed of the electron relative to the laboratory, if in the forward direction?
Cedric Company recently traded in an older model computer for a new model. The old model's book value was $280,000 (original cost of $600,000 less $320,000 in accumulated depreciation) and its fair value was $400,000.
On February 1, 2013, the Xilon Corporation issued 43,000 shares of its nopar common stock in exchange for five acres of land located in the city of Monrovia.
An astronaut on a distant planet notices that it takes 8 seconds for an object to drop 32 meters beginning from a resting position. Determine the magnitude of the acceleration due to gravity on the planet.
If the distance between two objects is doubled, by how much should the mass of the first object increase, assuming the mass of the second is a constant, to maintain the same gravitational attraction.
XYZ, Corp. owned 85% of ABC Corporation. XYZ Corp. received a liquidating distribution from ABC Corporation as part of the complete liquidation of ABC Corporation. XYZ Corp.'s basis for its ABC Corporation stock was $10,000.
According to the lorentz transformation equations, what are the x' and t' coordinates of this event as observed in the reference frame of a spaceship traveling in the x direction at a speed of .5c?
Question: A projectile is fired directly upward at such an initial velocity that it reaches half its height of 45 meters. Calculate its speed at the following intervals: Determine the speed of the projectile at the top of the trajectory.
An electric heater plugged into a 115-V AC outlet uses an average electric power of 1200 W. What are the maximum instantaneous power and the minimum instantaneous power?
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