Physics, 26.07.2019 16:00 nsutton9985
Which statement best describes an isolated system? a )energy flow into and out of the system but matter is contained. b) energy is contained within the system and matter is exchanged. c) neither energy nor matter are exchanged with the surroundings. d) there is no energy or matter that exists inside an isolated system.
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Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
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Physics, 22.06.2019 21:40
Wo small variable-thrust jets are actuated to keep the spacecraft angular velocity about the z-axis constant at ? 0 = 1.16 rad/s as the two telescoping booms are extended from r1 = 1.18 m to r2 = 4.69 m at a constant rate over a period of 124 seconds. the small 19-kg experiment modules at the ends of the booms may be treated as particles, and the mass of the rigid booms is negligible. determine the necessary thrust t for each jet as a function of time where t = 0 is the time when the telescoping action is begun. after you have the general expression for t, answer the questions. show work.
Answers: 1
Physics, 22.06.2019 22:00
Which statement best explains why the overall charge on an atom is zero?
Answers: 1
Which statement best describes an isolated system? a )energy flow into and out of the system but ma...
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