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A large rock is tied to a balloon filled with air. The system is left in a lake.Assume temperature of air to be constant as balloon sinks.1)The air pressure inside balloon increses or remains constant or decreses.2)The average density of system is constant or increases or decreases.3)The magnitude of the net force on systemincreases or decreases.


A large rock is tied to a balloon filled with air. The system is left in a lake.Assume temperature of air to be constant as balloon sinks.1)The air pressure inside balloon increses or remains constant or decreses.2)The average density of system is constant or increases or decreases.3)The magnitude of the net force on systemincreases or decreases.


Grade:10

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