Physics, 19.09.2019 06:30 ahmetagayew2004
Aspeeder is pulling directly away and increasing his distance from a police car that is moving at 24 m/s with respect to the ground. the radar gun in the police car emits an electromagnetic wave with a frequency of6.7 × 10 9 hz. the wave reflects from the speeder’s car and returns to the police car, where its frequency is measured to be 370 hz less than the emitted frequency. find the speeder’s speed with respect to the ground.
Answers: 1
Physics, 22.06.2019 10:00, myanniespencer39
Which accurately compares concave and convex lenses?
Answers: 2
Physics, 22.06.2019 12:40, FombafTejanjr7503
Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
Answers: 1
Physics, 22.06.2019 13:00, mandilynn22
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
Aspeeder is pulling directly away and increasing his distance from a police car that is moving at 24...
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