physics test

Jun 17th, 2015
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1. A particle of mass M and charge Q moving with velocity describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the field when the particle completes one full circle is

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Motion (Crossword Puzzle)Across3. the rate at which an object moves4. mass of an object times its velocity7. a force that is opposite to the direction of motion8. the measure of the force of gravity on an object9. speed in a given direction11. a unit that measures forceDown1. the rate of change in velocity2. a push or a pull5. a change in position in a certain amount of time6. acceleration is 9.8 meters/sec/sec10. the tendency of an object to remain in motion or at restSimple Machines (Crossword Puzzle)Across1. Bar on which a wheel turns.4. Cylinder with a ridge winding around it. It's a simple machine.6. Strength or force that can be exerted on other bodies.7. An instrument of work.9. Something that produces action, a moving force.11. plane A plank or plane surface put at an angle to a horizontal surface.12. To move, usually with force or effort.14. Any device that applies or changes the direction of power force, or motion.Down2. A bar which rests on a fulcrum.3. To move something away by pressing against it.5. A round frame that turns on a pin or shaft in its middle.7. A force that causes rotation.8. Exerting pressure or influence over object or substance.10. The act of a surface or an object rubbing against each other.13. Amount of work a machine is expected to perform.Sound (Crossword Puzzle)Light (Crossword Puzzle)Across Clues1. The hight-point of a wave4. The thing that waves travel through (can be liquid, a

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