Physics, 05.11.2020 07:10 edwardp03418
5. ¿Cuánto tiempo tardará en recorrer 400 km si la rapidez promedio es de 90 km/h?
Answers: 2
Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Physics, 21.06.2019 23:30
Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices
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Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
5. ¿Cuánto tiempo tardará en recorrer 400 km si la rapidez promedio es de 90 km/h?...
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