A sinusoidally varying potential difference has amplitude 170 V. What is its minimum instantaneous value?
1.170 V
2.120 V
3.0
4.-120 V
5.-170 V
5
Physics & Space Science
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A Teflon rod 6 inches in diameter and 2 feet long is at 230ºF. It is then exposed at one end to cool air so that that end is at 80ºF whereas the cylindrical surface cools to 150ºF. The other end remains at 230ºF. Determine the expected temperature distribution.
What will be an ideal response?
Physics & Space Science
The heaviest element produced by stars or in supernovae is silicon
Indicate whether the statement is true or false
Physics & Space Science
What is the result of adding 23.4 to 91.237 and then subtracting 23.4?
A) 91.237 B) 91.2 C) 91.3 D) 91.0 E) 91.
Physics & Space Science
What is the energy of a photon of wavelength 3 cm?
A) 82 eV B) 4.1 × 10-5 eV C) 41 eV D) 4.1 × 10-5 J E) 3 ergs
Physics & Space Science