Physics, 28.06.2021 21:40 akaeiraspruell
Một electron được gia tốc trong điện trường được tạo bởi một hiệu điện thế 2000 V. Nếu thay đổi hiệu điện thế từ 2000 V lên 8000 V thì vận tốc của electron tăng lên:
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The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory
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