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The paradox of a charge in a gravitational field is an apparent physical paradox in the context of general relativity. A charged particle at rest in a gravitational field, such as on the surface of the Earth, must be supported by a force to prevent it from falling. According to the equivalence principle, it should be indistinguishable from a ...
In physics, a coupling constant or gauge coupling parameter (or, more simply, a coupling ), is a number that determines the strength of the force exerted in an interaction. Originally, the coupling constant related the force acting between two static bodies to the "charges" of the bodies (i.e. the electric charge for electrostatic and the mass ...
A surface charge is an electric charge present on a two-dimensional surface. These electric charges are constrained on this 2-D surface, and surface charge density, measured in coulombs per square meter (Cā¢m ā2 ), is used to describe the charge distribution on the surface. The electric potential is continuous across a surface charge and the ...
The amount of time that a debt collector can legally pursue old debt varies by state and type of debt but can range between three and 20 years. Each state has its own statute of limitations on ...
A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load. The term is typically used to specify a battery's expected life, as the number of charge cycles affects life more than the mere passage of time. Discharging the battery fully before recharging may be called "deep discharge"; partially ...
Real-Life Sword in the Stone Suddenly VanishesColin Anderson - Getty Images. The French town of Rocamadour was partly known for a centuries-old sword embedded in a cliff wall 100 feet off a ...
David Sacks, the billionaire tech investor, co-hosted a fundraiser last month at his San Francisco home and spoke at the Republican National Convention on Monday. Other contributors to America PAC ...
As such, its main concern is to keep intruders off and itself safe from attack so it won't hesitate to kill anything that refuses to leave. For example, the magic empowering it wards away mortal minds, makes anyone able to reach the island extremely uncomfortable and feeling as if under a psychic attack, and prevents it from being found on ...