Physics review Study guides, Class notes & Summaries

AP physics review questions and answers Three arrows are shot horizontally. They have left the bow and are traveling parallel to the ground as shown in the figure. Air resistance is negligible. Rank in order, from largest to smallest, the magnitudes of the horizontal forces F 1 , F 2 , and F 3 acting on the arrows. Some may be equal. State your reasoning.

What is frequency determined by? - Answer The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Answer Lower What is the reciprocal of frequency and what is the symbol - Answer Period, T The time it takes for 1 cycle to occur - Answer Period What is propagation speed determined by - Answer Stiffness and density of the medium Propagation speed of sound through soft tis...

Radiology Physics Review

*** What action would be most in keeping w the ALARA principle while performing a diagnostic ultrasound exam? - Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a quality image Advocating use of the ALARA principle (as low as reasonably achievable) prudently minimizes the risk of bio effects (even tho epidemiological studies have revealed no known risk associated w the use of diagnostic ultrasound) ***During performance of an obstetric ultrasound ex...

What is frequency determined by? - The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Lower What is the reciprocal of frequency and what is the symbol - Period, T The time it takes for 1 cycle to occur - Period What is propagation speed determined by - Stiffness and density of the medium Propagation speed of sound through soft tissue - 1,540 m/s Increasing the stiffness of a tissue does what to the pro...

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What is the definition of ionization? - correct answer The removal of an orbital electron from an atom as radiation passes through What is the definition of energy? - correct answer The ability to do work What are the 7 forms of energy? - correct answer potential, kinetic, chemical, electrical, thermal, nuclear, electromagnetic Which of the 7 forms...

What is frequency determined by? - The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Lower What is the reciprocal of frequency and what is the symbol - Period, T The time it takes for 1 cycle to occur - Period What is propagation speed determined by - Stiffness and density of the medium Propagation speed of sound through soft tissue - 1,540 m/s Increasing the stiffness of a tissue does what to the pro...

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

rade 7 - Physics Review – FORMULAS 2023 Formula for Weight - ANS-W = mg (weight = mass times acceleration of gravity) Formula for speed - ANS-s = d/t (speed = distance divided by time) Formula for velocity - ANS-v = d/t (velocity = distance divided by time) Formula for momentum - ANS-p = mv (momentum = mass times velocity) Formula for force - ANS-F = ma (force = mass times acceleration of gravity) Force - ANS- SI for distance - ANS-m SI for acceleration - ANS-m/s2 SI for momentum - A...