Estimate the force exerted on your eardrum by the water above you when you are swimming at the bottom of a swimming pool of depth 6.27 m. (the cross sectional area of the eardrum is equal to 1 cm2) (Answer in 2 decimal places)

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A: Given :  Depth = 5.0 m Area of eardrum = 1 cm2 Density of water = 1000 kg/m3

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A: Pressure, P=hρgh=depth; ρ=1000Kg/m3;g=10m/s2P=5×1000×10P=50000 PaP=50000 N/m2

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Q: When you are swimming at the bottom of a pool, the water above and around you exerts force on your…

A: Given, Depth of water = 5 m density of water ρ = 1000 kg/m3 Area of eardrum A = 1 cm2 = 10-4 m2

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A: Area of eardrum (A) = 0.14 cm2= 1.4×10-5 m2Change in altitude (d) = 1400 m

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.