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Dmitry_Shevchenko [17]
3 years ago
13

عند زيادة تردد الدينامو . فماذا يحدث لشده التيار المار بالدائرة ​

Physics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

تقل شدة التيار

Explanation:

عند زيادة التردد تزداد سرعة الدوران وهذا يعني زيادة في الفولتية.

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3 years ago
What is the speed of sound for a noise that travels 2km in 5.8s?​
Gnesinka [82]

Answer:

Explanation:

Speed is defined as the rate at which an object covers a particular distance. So the formula for determining speed is given as the ratio of distance to time taken for covering that distance.

Speed = Distance/Time

As here the distance is given in km units and time in s units, so the units of any one parameter should be changed. Since we know that speed of sound is always about 300 m/s. So it is better to convert the unit of distance from km to m.

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Thus, the speed of noise is slightly greater than the speed of sound and it is found to be 345 m/s.

5 0
3 years ago
What two types of scientific knowledge can be expressed as mathematical equations? (Please don't tell me the answer could you pl
gtnhenbr [62]
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For rectilinear motion, the distance traveled is equal to the initial velocity times the time, plus one-half of the acceleration times the square of the time. For projectile motion, the maximum distance is equal to the square of the initial velocity multiplied with the square of the sine of the launch angle, all over twice the gravity.
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3 years ago
According to the principle of faunal succession, what must be true of the fossils on a layer below? Now
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3 years ago
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