Describe three types of electromagnetic radiation. Which has the longest wavelength?
What will be an ideal response?
Microwaves, thermal radiation from a light bulb, and radio waves. Radio waves are the
longest.
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Solve the following systems of equations. Identify each system as to whether it is consistent and independent (one solution set), inconsistent (no solution set), or dependent (infinite solution sets).4x + 2y = 320x + 10y = 15
Fill in the blank(s) with the appropriate word(s).
A gear with 45 teeth rotating at 400 RPM is driving a second gear with 75 teeth. How fast is the driven gear rotating?
A. 120 rpm B. 240 rpm C. 400 rpm D. 750 rpm
What type of sensor is most often used to detect very low parts per million for toxic refrigerants?
A) Photoacoustic infrared (PIR) B) Nondispersive infrared (NDIR) C) Electrochemical (EC) sensors D) Ceramic metal oxide semiconductor (CMOS)
The ____ is defined as the point where both gears transfer power.
A. circular pitch B. diametral pitch C. pitch D. pitch diameter