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  1. A foucault pendulum consists of a heavy bob suspended by a very long wire (~12m or longer). The...earth rotation, the rotation of the oscillation plane provides a proof on the rotation of the earth. The angular speed of the rotation of the swinging plane of the...

  2. A wave should consist of four properties: 1) reflection 2) refraction 3) diffraction 4) interference ..., wall. A trolley refract by changing it's direction of travel when enter a grass field from a smooth road. But they are not wave...

  3. The system consists of three masses, astronaut A, astronaut B, and th toolbox. Initially... moves towards astronaut A. Hence, total initial momentum of the system = [(60+30)(1) + 60(-1)] Ns After astronaut B has...

  4. The motion consists of two stages. The first stage is the...t = 0 (i.e. coordinates (0.4, 0) ). The slope of the line is 10 m/s2 Eqaution of motion in the...

  5. Briefly, a headphone or loudspeaker consists of a coil (solenoid) fixed to a diaphragm (in the case...frequency. The vibrations cause air in front of the diaphragm or paper cone to vibrate, thus producing...

  6. A typical adult human skeleton consists of the following 206-350 bones depending...the arms (6): 11. humerus 26. condyles of humerus 12. ulna 13. radius 27. head of radius In...

  7. A flight plan usually consists of these things: - the departure and destination aerodrome, and alternative...the flight such as military exercise along the way, temporarily shut down of airspace, etc) - loading information (such as number...

  8. ... a "Wheatstone Bridge". The wheatstone bridge consists of four resistors, of which three are of known resistances...

  9. The black box consists of two parts:Flight Data Recorder, and Cockpit... automatically. This makes it to sustain itself without the need of manual maintenance.

  10. Here the "system" consists of the alpha particel and the gold nucleus. The electrostatic repulsive force between the...