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Waves are classified according to whether or not they need a medium in which to propagate. A wave which needs a medium is called a(n) ______________________ wave, a wave which will propagate in a vacuum (the absence of a medium) is called a(n) ________________ wave correct answer: mechanical, electromagnetic What are the two classifications of mechanical waves? correct answer: Transverse and longitudinal Frequency has the units of: (select all that apply) A. Cycles/second B. Hz C. Her...

ARRT Physics Review Questions and Answers | Already passed | Latest Update

SPI Ultrasound Physics Review Exam - Questions and Answers Relates to likelihood of harmful bio effects from cavitation Mechanical index Predicts maximum temperature increase Thermal index Measures output intensity of the beam Hydrophone Region of increased brightness due to higher intensities in focal zone Focal banding Occurs when sound travels through a medium with a lower attenuation rate than the surrounding tissue Enhancement Beam travels through an area of high attenuation Shadowing Bea...

AP Physics C: Mechanics Review with Answers displacement symbols, units change in ___ only dependent on ___ & ___ positions vector or scalar? equation (integral of ___) - Answer>> a) ∆x, ∆y, or ∆z; m b) position c) final, initial d) vector e) ∆x = ∫v(t)dt

Physics review questions and answers correctly solved Physics review questions Define displacement and what are the SI units - correct answer final position -initial position; meters How does displacement and distance traveled differ? Give a concrete example. - correct answer an example is a cross country meet, displacement is 0 because you go back to the start, but distance might be 3.2 miles. The displacement has to do with the initial and final positions, not just the distance. ...

MCAT Physics Equations/Concepts Review Practice Exam. Kinematics Equations - CORRECT ANSWER Force of Gravity Between Two Objects - CORRECT ANSWER Units of G = N∗m²/kg² Kinetic Friction - CORRECT ANSWER Static Friction - CORRECT ANSWER Uniform Circular Motion - Velocity - CORRECT ANSWER Velocity vector is constantly changing and is tangential to the circle of motion Centripetal Acceleration - CORRECT ANSWER The acceleration vector always points toward the center of the ...

physics review Questions with complete solution physics review Motion - correct answer It's distance from another object is changing. Reference Point - correct answer A place or object used for comparison to determine if something is in motion International System of Units - correct answer A system based on the number ten Meter - correct answer A littler longer than a yard Speed - correct answer distance travelled per unit time change in distance/change in time m/...