The unit for electric field, N/C, can be written equivalently as
A. V.
B. C/V.
C. V/m.
D. m/V.
E. V/C.
Answer: C
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What kinetic energy must a nonrelativistic electron have, in electron-volts, in order to have a wavelength of 0.10 nm? (melectron = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
When a force acts on an object from an angle other than either 0° or 180° to the direction of motion:
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