Oil enters a 100-mm-diameter pipe steadily with a velocity of 5 m/s. The gage pressure in the pipe at A and B is 80 kPa. The den
sity of the oil is 900 kg/m3. Neglect gravitational effects. Determine the reaction force exerted on the elbow by the couplings at A and B. Please clearly define the coordinate system and the control volume.
1 answer:
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Answer:
18.89cm
Explanation:
As we know that the person is standing 5m in front of the camera
The focal length of the lens =50cm
f=50 cm
By Lens formula we have:
By the formula of magnification
The height of the image formed is 18.89cm.