### What is pressure difference at the roof

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Q1. If wind blows at 47.60 m/s over the roof of your house, what is pressure difference at the roof between inside and outside air? Use an air density of 1.29 kg/m3.

Q2. The planet Jupiter is about 320 times as massive as the Earth. Thus, it has been claimed that a person would be crushed by the force of gravity on Jupiter since people can't survive more than a few g's. Compute the number of g's a person would experience if she could stand on the equator of Jupiter. Use following astronomical data for Jupiter: mass = 1.9 multiplied by 1024 kg, equatorial radius = 7.10 multiplied by 104 km, rotation period 9 hr 55 min. Take the centripetal acceleration into account.

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