A hot air balloon has a volume of 3059 m^3. The density of the air outside the b

Question

A hot air balloon has a volume of 3059 m^3. The density of the air outside the balloon is 1.2 kg/m^3, and the of the hot air inside is 1 kg/m^3, How much weight ca the balloon Edit? A) 3670 N B) 3059N C) 5996 N D) 9177 N E) 11012.4 N A meter stick is hinpad at its lower end and allowed to fall A) 2.71 rad/s B) 0.61 rad/s C) .32 radious/s D) 5.62 rad/s D)1.22 rad/s A 25000 A) 625N B) 625N C) 640N D) 1000N E) 4000 N A) 5 rad/s^2 B 26 rad/s^2 C)2.4 rad/s^2 D) 66.67 rad/s^2 E) 5.2 rad/s^2 A) 11200000 N B) 44800 N C) 6400000 D) 448000 N E) 300000 A)4.3 m/s B) 2.4 m/s C) 4.7 m/s D) 2.0 m/s E) 4.0 m/s A 100 lb astronaut goes to planet X with density 6 times the density of earth and radius 3 times the earth's radius. What is his weight on planet X? A) 600 lbs B) 33.333333 lbs C) 1800 lbs D) 900 lbs E) 66.7 lbs A 10-kg A) 4 m/s B 5.75 m/s C)4.5 m/s D) 4 m/s E) 8 m/s A) 10 m/s B) 2.222 m/s C) 2 m/s D) 72 m/s E)32.9 m/s A) 466.7 N B) 126 N C) 6.615 N D) 49 N E) 174

Explanation / Answer

Mg = FB = rho *g *V

              = 1.2*9.8*3059

              = 35973.84 N

weight = 35973.84 - 3059 * 1 * 9.8

             = 5995.64 N = 5996 N (option C)

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