Energy and Mass: An electron-volt is the energy gained by an electron if it is accelerated through a potential difference of one volt. What is the equivalent to an electron-volt in kilograms? (c = 3.00 × 108 m/s, e = 1.60 × 10-19 C)
Fill in the blank(s) with the appropriate word(s).
1.78 × 10-36 kg
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The second stage of planetary evolution is _____
A) cratering and giant basin formation B) ozone layer formation C) differentiation D) slow surface evolution
An object released from rest on another planet requires one second to fall a distance of 6 meters. What is the acceleration due to gravity on this planet?
A) 3 m/s2 B) 6 m/s2 C) 12 m/s2 D) 15 m/s2 E) none of the above
According to quantum theory, a macroscopic object such as a baseball
A) has no wavelength at all. B) has an infinite wavelength. C) has a very short wavelength. D) has a very long wavelength. E) is really made out of microscopic baked beans.
The electric field in a cathode ray tube is supposed to accelerate electrons from 0 to 3.2 × 10^7 m/s in a distance of 2.00 cm. What electric field is required? (me = 9.11 × 10^?31 kg and e = 1.60 × 10^?19 C)
a. 4.6E+4 N/C b. 2.3E+5 N/C c. 1.5E+5 N/C d. 2.9E+5 N/C e. 1.6E+4 N/C