A Helium-Filled Balloon Released in the Atmosphere Will Rise Until

question 75

Multiple Choice

A helium-filled balloon released in the atmosphere will rise until

• A) atmospheric pressure on the bottom of the balloon equals atmospheric pressure on the top of the balloon.
• B) the pressure inside the balloon equals atmospheric pressure.
• C) the balloon and surrounding air have equal densities.
• D) all of these
• E) none of these

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Definitions:

Probabilities

A measure of the likelihood that an event will occur, expressed on a scale from 0 (impossible) to 1 (certain).

Invest

Distributing financial resources with the aim of achieving financial gain or income.

Probability

A measure of the likelihood that an event will occur, often expressed as a number between 0 and 1.

Expected Value

A calculation in probability theory that summarizes the expected return or outcome from a random event or situation.