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a helium balloon, with a combined mass of the balloon and helium of 20kg, is used to lift a payload of 70kg. At an altitude of 30 km the balloon stops and remains stationary.

a. Explain

b. at 30km, the density of air os 0.035kg/m^3. What is the volume of the balloon assuming that the volume of the payload is 0.010m^3

can someone plz help, i need to kinda have a idea for my quiz tomorrow

for the vlume i came up with v=m/density

v = 90/.035

v = 2571???

a. Explain

b. at 30km, the density of air os 0.035kg/m^3. What is the volume of the balloon assuming that the volume of the payload is 0.010m^3

can someone plz help, i need to kinda have a idea for my quiz tomorrow

for the vlume i came up with v=m/density

v = 90/.035

v = 2571???

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