A 3-m-high, 8.5-m-wide rectangular gate is hinged at the top edge at A and is restrained by a fixed ridge at B. Determine the hy
drostatic force exerted on the gate by the 2-m-high water and the location of the pressure center. Take the density of water to be 1000 kg/m3 throughout.
1 answer:
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Given that,
The attached figure shows an airplane is traveling from North Africa to England.
To find,
The arrow that shows the direction gravity pulls the plane.
Solution,
The force of gravity always acts in the downward direction, The weight of an object is given by :
W = mg
Arrow 2 shows the direction of gravitational pull.
Answer:
The frequency of an ocean wave is 15 Hz.
Explanation:
We are given with, the speed of an ocean wave is 45 m/s. Its wavelength is 3 m
It is required to find the frequency of an ocean wave.
The speed of a wave is given in terms of frequency and wavelength as :
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f = frequency of ocean wave
So, the frequency of an ocean wave is 15 Hz.