A proton initially moves left to right long the x axis at a speed of 2.00 × 10^4 m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.200 m before coming to rest. What acceleration magnitude does the proton experience?
a. 2.67 × 10^12 m/s2
c. 6.67 × 10^6 m/s2
b. 9.33 × 10^9 m/s2
d. 1.00 × 10^9 m/s2
D
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What will be an ideal response?
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