If a sound wave travels through air at a speed of 345 m/s, what would be the frequency of a 0.80 m long wave?
1 answer:
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Answer:
There are 45 turns in the secondary coil.
Explanation:
Given that,
Input potential of the lamp,
The output potential of the lamp,
Number of turns in primary coil,
We need to find the number of turns needed on the secondary coil. We know that the ratio for a transformer is as follows :
So, there are 45 turns in the secondary coil.
Answer:
Wmoon = 131 [N]
Explanation:
We know that the weight of a body is equal to the product of mass by gravitational acceleration.
Since we are told that the gravitational acceleration of the moon is equal to one-sixth of the acceleration of Earth's gravitation. Then we must multiply the value of Earth's gravitation by one-sixth.