Physics, 17.06.2021 16:20 justin20080
1 chất điểm dạo động đều hoa theo pt x=Acos(πt+2π/3) chất điểm đi qua vị trí có li độ bằng a/2 lần thứ 2 kể từ lúc bắt đầu dạo động vào thời điểm nào
Answers: 3
Physics, 21.06.2019 22:30
According to the tide table below what time of day will the highest tide occur?
Answers: 1
Physics, 22.06.2019 17:10
Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up
Answers: 2
Physics, 22.06.2019 23:30
1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?
Answers: 3
1 chất điểm dạo động đều hoa theo pt x=Acos(πt+2π/3) chất điểm đi qua vị trí có li độ bằng a/2 lần t...
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