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A hot-air balloon has a volume of 500 m'. The balloon moves upwards at a constant spced in air of density 1.2 kg m' when the density of the hot air inside it is 0.80 kg m . (a) What is the combined mass of the balloon and the air inside it? (b) What is the upward acceleration of the balloon when the temperature of the air inside it has been increased so that its density is 0.7 kg m ?

A hot-air balloon has a volume of 500 m'. The balloon moves upwards at a constant spced in air of density 1.2 kg m' when the density of the hot air inside it is 0.80 kg m . (a) What is the combined mass of the balloon and the air inside it? (b) What is the upward acceleration of the balloon when the temperature of the air inside it has been increased so that its density is 0.7 kg m ?

College Physics
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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B18 Ahot-air balloon has a volume of 500 m', The balloon moves upwards at a constant spced in air of density 1.2 kg m ' when the density of the hot air inside it is 0.80 kg m '. (a) What is the combined mass of the balloon and the air inside it? (b) What is the upward acceleration of the balloon when the temperature of the air inside it has been increased so that its density is 0.7 kg m ?
Transcribed Image Text:B18 Ahot-air balloon has a volume of 500 m', The balloon moves upwards at a constant spced in air of density 1.2 kg m ' when the density of the hot air inside it is 0.80 kg m '. (a) What is the combined mass of the balloon and the air inside it? (b) What is the upward acceleration of the balloon when the temperature of the air inside it has been increased so that its density is 0.7 kg m ?
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