Centi c - Study guides, Class notes & Summaries

What are the 5 steps in the Scientific Method? - ️️1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): - ️️x 10^1 Metric Unit hecto (h): - ️️x 10^2 Metric Unit kilo (k): - ️️x 10^3 Metric Unit mega (M): - ️️x 10^6 Metric Unit ...

Which of the following is a chemical? A. Light b. noise c. heat d. sugar e. a wave Correct Answer-sugar hypothesis or observation: Analysis of 10 ceramic dishes showed that four dishes contained lead levels that exceeded federal safety standards. Correct Answer-observation In the number 123.45 the 5 is in what place? Correct Answer-hundredths Scientific notation of 54000 a. 5.4 ×10^4 b. 54 ×10^4 c. 5.4 ×10^3 d. 54* 10^3 Correct Answer-5.4* 10^4 What is the conversion...

Edelmen's SPI Exam Review Questions And Answers (Updated And Verified) Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - answerD The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - answerC Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - answerD The effects of soft tissue on ultrasound are called: a) acoustic proliferation ...

Edelmen's SPI Exam Review Questions And Answers Well Illustrated. Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - correct answer. D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - correct answer. C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - correct answer. D The effects of soft tis...

scientific notation the scientific system of writing numbers -composted of 3 parts: mathematical sign, the significand, and the exponential/logarithm mathematical sign designates whether the number is positive or negative (+/-) significand the base value of the number or the value of the number when all the values of ten are removed exponential/logarithm a multiplier of the significand in powers of 10. a positive exponential multiplies the significand by factors of 10. a nega...

Edelmen's SPI Exam Review Questions And Answers Rated A+. Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - correct answer. D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - correct answer. C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - correct answer. D The effects of soft tissue on u...

Chemistry 101 Latest Exam With Verified Answers 2024|2025 Strong Acids Correct Answer: undergo complete ionization: HI HBr HCl HNO₃ HClO₃ HClO₄ H₂SO₄ Strong Bases Correct Answer: do not undergo complete ionization: KOH NaOH LiOH CsOH RbOH Ba(OH)₂ Ca(OH)₂ Sr(OH)₂ Strong Electrolytes Correct Answer: conduct electricity and undergo complete dissociation: HCl HNO₃ HClO₄ H₂SO₄ NaOH Ba(OH)₂ Weak Electrolytes Correct Answer: conduct some electr...

Which of the following transducers will have the worst axial resolution? a. Vector array, 3 MHz b. Linear Sequential Array, 6 MHZ c. Linear Phased Array 7.5 MHZ d. Annular Array, 6 MHz - Vector array, 3 MHz A sound wave is traveling in the body and propagates from muscle to air. What percentage of the sound wave is most likely reflected at the muscle-air boundary? a. 0.5% b. 75% c. 25% d. 5% e. 99% - 75% Which of the following lists is in decreasing order? a. mega, kilo, deca, milli...

Test bank For Chemistry 10th Edition (Newest Version 2023) by Stevens S. Zumdahl; Susan A. Zumdahl/ Complete Guide /All Chapters/ Complete Questions and Answers A+. Chapter 1: Chemical Foundations 1. Which of the following is an example of a quantitative observation? A) The piece of metal is longer than the piece of wood. B) Solution 1 is much darker than solution 2. C) The liquid in beaker A is blue. D) The temperature of the liquid is 60°C. E) At least two of the above (A-D) are quan...

SPI Comprehensive Mock Exam Questions with all the correct answers Updated 2024 Sound waves are: A. Electric B. Mechanical, transverse C. Spectral D. Longitudinal, mechanical Longitudinal, mechanical The speed of US in soft tissue is closest to: A. 1.540 km/sec B. 1.54 km/section C. 1,500 m/s D. 1,540 mm/sec 1,500 m/s The frequency closest to the lower limit of US is: A. 19,000 kHz B. 10,000 MHz C. 20,000 msec D. 15,000 Hz 15,000 Hz Which is NOT an acoustic variable? A. Den...