Ella’s boyfriend would like to make a very romantic wedding proposal. He decides to propose in a hot air balloon. He and Ella go to the spot where the hot air balloon will lift off the ground. Ella, who has taken physics, decides to do a few calculations to make sure they will be safe. The average density of the heated gas that will go in the hot air balloon is 0.96 kg/m3 . The basket and the propane tank weigh 1800N. The balloon fabric weighs 800N. Ella has a mass of 50kg and her boyfriend ha a mass of 65kg. The density of air is 1.23kg/m3 . a) What must be the minimum volume of the balloon in order to lift Ella and her boyfriend off the ground? b) If the volume of the balloon is 3 times what you found in part a, what is the net force on the basket that Ella and her boyfriend are in ?
Ella’s boyfriend would like to make a very romantic wedding proposal. He decides to propose in a hot air balloon. He and Ella go to the spot where the hot air balloon will lift off the ground. Ella, who has taken physics, decides to do a few calculations to make sure they will be safe. The average density of the heated gas that will go in the hot air balloon is 0.96 kg/m3 . The basket and the propane tank weigh 1800N. The balloon fabric weighs 800N. Ella has a mass of 50kg and her boyfriend ha a mass of 65kg. The density of air is 1.23kg/m3 . a) What must be the minimum volume of the balloon in order to lift Ella and her boyfriend off the ground? b) If the volume of the balloon is 3 times what you found in part a, what is the net force on the basket that Ella and her boyfriend are in ?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Ella’s boyfriend would like to make a very romantic wedding proposal. He decides to propose in a hot air balloon. He and Ella go to the spot where the hot air balloon will lift off the ground. Ella, who has taken physics, decides to do a few calculations to make sure they will be safe. The average density of the heated gas that will go in the hot air balloon is 0.96 kg/m3 . The basket and the propane tank weigh 1800N. The balloon fabric weighs 800N. Ella has a mass of 50kg and her boyfriend ha a mass of 65kg. The density of air is 1.23kg/m3 .
a) What must be the minimum volume of the balloon in order to lift Ella and her boyfriend off the ground?
b) If the volume of the balloon is 3 times what you found in part a, what is the net force on the basket that Ella and her boyfriend are in ?
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