An electron has an initial speed of 3.26 × 10 5 m/s..?
If it undergoes an acceleration of 3.9 × 10^14 m/s^2, how long will it take to reach a speed of 7.71 × 10^5 m/s?
Answer in units of s.
Update:How far has it traveled in this time?
Answer in units of m
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Verified answer
acceleration = change in velocity /time
change in velocity = v final - v initial, so we have
time = (7.71x10^5m/s - 3.26x10^5m/s)/3.9x10^14m/s/s
do the division and find time in s