A periodic wave with wavelength 2m has a speed of 4m/s. What is the waves frequency?.
1 answer:
The wave frequency is 2 Hz.
What is wave frequency ?
The number of waves that pass through a fixed point in a given amount of time is referred to as the wave frequency. The hertz is the SI unit for wave frequency (Hz).
where,
Given,
The waves frequency is 2 Hz.
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Answer:
The force needs to be applied on the 1 square meter piston to lift the machine is 200 N.
Explanation:
Given that,
Force,
Area,
We need to find the force needs to be applied on the 1 square meter piston to lift the machine. We know that the pressure at every point is same due to Pascal's law such that :
So, the force needs to be applied on the 1 square meter piston to lift the machine is 200 N. Hence, this is the required solution.