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In Physics, there are two types of numbers: scalars and vectors. Scalars are just a normal number, as we are used to. Vectors also have a direction associated with them. Thus, variables like temperatur...
There are three methods of energy transfer that we need to learn: conduction, convection, and radiation.
1. Conduction:
Heat is thermal energy, and in solid...
A freely falling object in air (or any other fluid for that matter) experiences two forces: the gravitational force and the force due to air resistance (or drag force). While the gravitational fo...
From a Newtonian perspective, the equation for the speed of a satellite in circular orbit around the Earth at a radius r can be derived by equating centripetal acceleration to the acceleration due to g...
X-Rays are a form of electromagnetic radiation similar to gamma radiation except X-Rays are produced when an electron is slowed down from a high velocity and gamma waves are produced from radioactive m...
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