Multiple Choice
The electric potential inside a 10-m long linear particle accelerator is given by V = 3,000 - 5x2 volts,where x is the distance from the left plate along the accelerator tube,as shown in the figure.If a proton is released from rest at position x = 4.4 m,what is the impact speed of the proton when (and if) it collides with one of the plates? 
A) never collides
B) 8.15 * 102 m/s
C) 1.36 * 103 m/s
D) 2.78 * 105 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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