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Physics, 20.06.2020 02:57, znewkirk4741
A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 1030 Hz higher. What is the speed of the car? PLS HELP
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Physics, 22.06.2019 17:30, HernanJe6
Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
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A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 103...
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