Multiple Choice
The voltage between the cathode and the screen of a computer monitor is 12 kV.If we assume a speed of zero for an electron as it leaves the cathode,what is its speed just before it hits the screen?
A) 8.8 × 107 m/s
B) 6.5 × 107 m/s
C) 4.2 × 1015 m/s
D) 7.7 × 1015 m/s
E) 5.3 × 107 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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