An astronaut has a mass of 68 kg, what is the weight of the astronaut on earth at sea level?What is the mass of the astronaut on the Moon, and on Mars? What is the weight of the astronaut on the Moon, and on Mars? What is the pressure exerted by the astronaut's shoe on Earth to Mars? (Assume an area of the astronaut's shoe) What is the ratio of the pressure exerted by the astronaut's shoe on Earth to Mars?

An astronaut has a mass of 68 kg, what is the weight of the astronaut on earth at sea level?What is the mass of the astronaut on the Moon, and on Mars? What is the weight of the astronaut on the Moon, and on Mars? What is the pressure exerted by the astronaut's shoe on Earth to Mars? (Assume an area of the astronaut's shoe) What is the ratio of the pressure exerted by the astronaut's shoe on Earth to Mars?

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter16: The Sun: A Nuclear Powerhouse

Section: Chapter Questions

Problem 19E: Earth’s atmosphere is in hydrostatic equilibrium. What this means is that the pressure at any point...

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Earth’s atmosphere is in hydrostatic equilibrium. What this means is that the pressure at any point in the atmosphere must be high enough to support the weight of air above it. How would you expect the pressure on Mt. Everest to differ from the pressure in your classroom? Explain why.
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I could estimate the area of the thumbnail with the formula of a square like a=a^2 to use as a reference to estimate how many pounds the atmospheric pressure on us equals. What formulas and theories should I apply to get that pressure in pounds?
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In 1960, the U.S. Navy’s bathyscaphe Trieste descended to a depth of 10,912 m (about 35,000 ft) in the Mariana trench in the Pacific Ocean. What was the pressure at that depth? What was the force on a circular observation window with a diameter of 15 cm?
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QUESTION 1 When vou are swimming at the bottom of a oool. the water above and around vou exerts force on vour eardrum. Calculate the force (in N) exerted on your eardrum when you are at the bottom of a pool that is 5.0 m deep. Assume that the area of your eardrum is 1 cm^2 and the density of water is 1000 kg/m^3 (10,000 cm^2 = 1m^2) (Ans: 5N) To solve this, which of the following equation/s should you use (check as many that best applies) O Q= MCAT O Fp = P fluidgVsubmerged e = 1- P= O A,V1= A2V2 W = dv O P= pgh O PV = nRT O E=F/q O Q= mL 1 ]9192| F= 4περ O F=ma dQ AS = [00 Op=m/v P2 + pghz + =P1+pgh1+ €o O T =T+273.15K O AL= aLoAT O du = dQ – dW or AU= Q-W O F1_ F2 A1 Az O O
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