An electron is sent at high speed toward a gold nucleus (charge +79e). What is the electrical force acting on the electron when it is 1.7 × 10^?14 m away from the gold nucleus? (e = 1.6 × 10^?19 C, ke = 8.99 × 10^9 N·m2/C2)
a. 6.3E+1 N
b. 1.1E–12 N
c. 5.0E+3 N
d. 6.7E+6 N
e. 8.0E–5 N
a
Physics & Space Science
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While Galileo saw Saturn as a changing oval, the real nature of the rings was discovered by:
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The longest wavelengths of visible light are in the color
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Physics & Space Science