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Physics, 21.06.2019 19:30
Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?
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Physics, 23.06.2019 03:00
Agust of wind pushes a beach ball with a force of 9 newtons.the ball rolls 10 meters in 3 seconds. what is the power of the wind?
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Physics, 23.06.2019 04:31
What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?
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trong chân không có 2 điện tích điểm q1=3.10^-6C và q2=-6.10^-6C đặt tại A và B tương ứng cách nhau...
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