The _______________ is the amount of energy needed to pull an electron completely away from the nucleus
Fill in the blank(s) with correct word
binding energy
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If you double the net force on an object, you'll double its
A) acceleration. B) speed. C) velocity. D) all the above
A solenoid of length 18 cm consists of closely spaced coils of wire wrapped tightly around a wooden core. The magnetic field strength is 2.0 mT inside the solenoid near its center when a certain current flows through the coils
If the coils of the solenoid are now pulled apart slightly, stretching it to 21 cm without appreciably changing the size of the coils, what does the magnetic field become near the center of the solenoid when the same current flows through the coils? (?0 = 4? × 10-7 T • m/A) A) 1.7 mT B) 3.4 mT C) 0.85 mT D) 2.0 mT
A camera lens has a focal length of 50.0 mm and an aperture setting of f/4.00. What is the diameter of the aperture of this lens?
A) 35.4 mm B) 200 mm C) 12.5 mm D) 10.1 mm E) 25.0 mm
One mole of hydrogen, one mole of nitrogen and one mole of oxygen are held in a 22.4 × 10^3 cm3 enclosed vessel at 20°C. The pressure in the vessel, in N/m2, is
a. 109. b. 304. c. 326. d. 1.09 × 10^5. e. 3.26 × 10^5.