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belledona
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Hello, I'm reviewing kinematics for an upcoming AP physics exam, but I seem to have forgotten a crucial fact. In typical rocket problems (when the rocket blasts off with an initial acceleration for example 5 m/s^2), why don't we subtract 9.8 from 5m/s^2 when using a value for acceleration? When do we know to subtract gravity from an upwards acceleration, or to just simply use the value given for the upwards accel w/o subtracting?
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