Physics, 17.06.2021 19:40 struckedblazing
Tần số ngưỡng của một kim loại có giá trị X. Nếu tần số của chùm sáng chiếu đến bề mặt katot tăng từ 2X đến 4X thì cường độ dòng quang điện sẽ:
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Physics, 21.06.2019 23:30
Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?
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Physics, 22.06.2019 18:00
Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block
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Physics, 22.06.2019 19:40
Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
Answers: 1
Tần số ngưỡng của một kim loại có giá trị X. Nếu tần số của chùm sáng chiếu đến bề mặt katot tăng từ...
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