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Working mass

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Working mass is a mass against which a system operates in order to produce acceleration. All acceleration requires an exchange of momentum, which can be thought of as the "unit of movement". For one body to speed up, another must slow down. Momentum is contained in mass, as given by the formula P = mv, where P is the momentum, m the mass, and v the velocity.

The term working mass is used primarily in the aeronautics field. In more "down to earth" examples the working mass is typically provided by the Earth or water, which contains so much momentum in comparison to most vehicles that the amount it gains or loses can be ignored. However in the case of an aircraft the working mass is the air, and in the case of a rocket, the rocket fuel itself. In both cases the exchange of momentum is quite dramatic, blowing people over on the ground to accelerate a plane for instance.

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    1. Early Life: Michael Keaton was born September 9, 1951, in Coraopolis, Pennsylvania. He grew up in a working-class family and developed an interest in acting at a young age.

    2. Early Career: Keaton started his career in the entertainment industry as a stand-up comedian and improv artist. He was a member of the Pittsburgh-based improv group "Good Question" and performed at small clubs and venues.

    3. Breakthrough Roles: Michael Keaton's breakthrough role came in the 1980s with the TV series "Mickey Hart" (1983-1984) and the film "Night Shift" (1982), where he received critical acclaim and recognition.

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    @XNJG researching the topic Michael Keon
@XNJG: Michael Keaton is an American actor, producer, and comedian. Here are the top 5 points about him: 1. Early Life: Michael Keaton was born September 9, 1951, in Coraopolis, Pennsylvania. He grew up in a working-class family and developed an interest in acting at a young age. 2. Early Career: Keato...
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