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Frequency = 1/period = 1/0.25 = 4 Hz.

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Q: What is the frequency of a wave if its period is 0.25 seconds?
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What length do the numbers on the barrel of an English micrometer represent?

There are numbers/lines that encircle the barrel from 1 to 25. Each of these is one one thousandth of an inch (.001") or a total of 25 thousandths (.025") for each complete revolution. The linear scale on the body has lines, the number depends upon how large the capacity of the micrometer is, but each line is a total of 25 thousandths of an inch (.025") or one complete revolution of the barrel.


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What is The kinetic energy of a 25 gram bullet traveling at 500 ms?

Dear Wiki Questioner, To calculate the kinetic energy of an object, we use the following equation: KE=(1/2) m v^2 Where KE is the object's kinetic energy in Joules m is the object's mass in kilograms and v is the object's velocity in meters per second So for your question, we first convert the mass of the bullet into kilograms so we can use it in our equation: 25g (1 kg/ 1000 g) = .025 kg The mass of the bullet is .025 kilograms! Now we plug the numbers into the equation and solve: KE = (1/2) .025 kg (500 m/s)^2 = 3125 kg m^2/s^2 = 3125 J So the kinetic energy of your bullet is 3125 Joules


25 mg equal how many ml?

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