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What is the speed of a proton that has been accelerated from rest through a potential difference of 4.0 kV?
a. 1.1  106 m/s
b. 9.8  105 m/s
c. 8.8  105 m/s
d. 1.2  106 m/s
e. 6.2  105 m/s



Answer :

Explanation:

  1. define the volume of a cylinder rules base radius is 3 1/2 CN and height 10 cm in brackets take take pi equals to 22

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