Evangelista Torricelli was the first person to realize that we live at the bottom of an ocean
Question:
Evangelista Torricelli was the first person to realize that we live at the bottom of an ocean of air. He correctly surmised that the pressure of our atmosphere is attributable to the weight of the air. The density of air at 0°C at the Earth’s surface is 1.29 kg/m3. The density decreases with increasing altitude (as the atmosphere thins). On the other hand, if we assume that the density is constant at 1.29 kg/m3 up to some altitude h, and zero above that altitude, then h would represent the depth of the ocean of air. Use this model to determine the value of h that gives a pressure of 1.00 atm at the surface of the Earth. Would the peak of Mount Everest rise above the surface of such an atmosphere?
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As we know, to break a coconut we have to apply 400 pounds of pressure to it.
In pounds = 400psi
In newton = 1779.29N
Starting from the first person he will try to break the coconut with his hands.
As we know humans can exert a force 292 newtons by their hands.
So force by hand is approximately = 300 N
Then the second and third one also try to break it by hand but they fail too.