Physics, 04.12.2020 16:30 Tyrant4life
It was a dark and stormy night. Buffy hameard thunder exactly 6 secounds after she saw lightning , the temperature of air is 15°C . the speed light is 3×10^8 m/s caculate the speed of sound
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Physics, 22.06.2019 18:00
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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Physics, 22.06.2019 19:50
An electron moves with a constant horizontal velocity of 3.0 Ă— 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)
Answers: 2
It was a dark and stormy night. Buffy hameard thunder exactly 6 secounds after she saw lightning , t...
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