19. b
21. d
22. b
20. c
1. amplitude
2. frequency
3. dB decibel
4. constructive
5. mixture
6. radiation
7. conduction
8. ultrasound waves
9. superconductor
10. ozone layer
11. barometer
A device that measures absolute air pressure is called a a.manometer b. barometer c. d. i...
An electronic device operates in air at an ambient temperature of 22°C with a convection heat transfer coefficient of 85 W m K- To enhance cooling, aluminium 2024-T6 fins of length 40 mm and cross-section 2 mm x 2 mm will be mounted on one surface of the device. The finned surface measures 45 mm x 64 mm and the other surfaces are insulated. The device dissipates 95 W of heat. (i) Calculate the rate of heat transfer through one...
30) — 30) A barometer measures A) the difference in pressure between a gas sample and atmospheric pressure. B) the pressure of a gas sample in a container. C) atmospheric pressure. D) the pressure of an ideal gas. E) the difference in pressure between two gas samples. 31) 31) Which one of the following substances, with their structures shown, will NOT display hydrogen bonding? B C.HO D . ethanol E. diethyl ether A. NH, H-N- H HF -E: H H-C-H...
I'm not sure how to solve for these materials, could I get help
with parts a,b,c,d
13) In the clinical use of ultrasound, a thin layer of gel is put on the skin before the device that emits and receives the reflected sound waves-- the transducer--is placed on the skin This transducer is usually made of a ceramic, barium titanate, which has a density of 5600 kg/m' and through which sound waves travel at 5500 m/s. a) Calculate the values...
1. Absolute 0 is a. -459°F. c. -32°C. e. both a and d. b. 0°F. d. OK f. None of the above. 2. Convert 4 K to °C. 3. Convert 21 °C to "F. 4. Convert 32°F to Kelvins. 5. The different mechanisms for heat transfer are: Be sure to add a little description for each for study purposes. 6. Temperature is a measure of what type of energy of the individual molecules of a substance? 7. True of False....
38. BIO The rate at which a resting person converts food energy is called one's basal metabolic rate (BMR). Assume that the resulting internal energy leaves a person's body by radiation and convection of dry air. When you jog, most of the food energy you burn above your BMR becomes internal energy that would raise your body temperature if it were not eliminated. Assume that evaporation of perspiration is the mechanism for eliminating this energy. Suppose a person is jogging...
I need PARTS (e), (f), and (g) please NOT (a), (b), (c), and
(d)
again, PARTS (e), (f), and (g) please
The intensity of the sun on earth is 1300 W/m2. If this intensity falls on a black surface the size of a football field (what is it's size) (a) what is the radiation pressure on it? (b) what is the force on the football field? (c) Is this force sufficient to levitate a tennis ball (50g) against the earth's...
2 21. Air in motion is called a ____________ a. wing b. wind c. coffee d. tsunami 22. The process/es of wind erosion is/are a. deflation b. abrasion c. attrition d. all of the above 23. The process by which lose particles of soil or regolith are carried from ground surface are lifted and transported is called a. deflation b. abrasion c. attrition d. solution 24. Wearing of transported material by friction that results in grinding of material as they...
Please answer all parts of the
Question: a,b,c,d
Kinetic Theory of Gas: Explanation of Pressure and Temprature Internal Energy of a gas, Ideal Gas Law 1. The average kinetic energy of a molecule, is called thermal energy, it is directly related to absolute temperature. KE (average per molecule) = 5m +(average) = 1 kg(kp = 1.38x10-23 /K) KT 2. The average speed of molecules in a gas: vrms=1 where vrms stands for root-mean-square (rms) speed. 3. The INTERNAL ENERGY of...
i need all the answers to these
OneDrive PAW Print Netflix h Hulu A-B Tech Self-Ser... d Fancy > Decorativ.. Welcome The pistons of a hydraulic cylinder feel the same: Select one: O a. temperature. O b. force. O c. heat. O d. pressure. Hot objects possess more heat than cold objects. This statement is: Select one: O a. incorrect O b. correct. Ice is placed into a glass of water. The ice and the water are at the same...
1. Endogenic processes include a. Internal processes b. Volcanic activity c. Tectonic activity d. All of the above 2. Which of these is not a exogenic process a. Weathering b. erosion c. volcanic activity d. mass wasting 3. The continents and ocean basins are located in the: a. Crust b. Mantle c. Core d. Asthenosphere 4. The oceanic crust is __________ and __________ than continental crust. a. thicker; denser b. thinner; denser c. thicker; less dense d. thinner; less dense...