15.4    A proton accelerates from rest in a uniform electric field of 630 N/C. At one later moment, its speed is 1.60 Mm/s (nonrelativistic because v is much less than the speed of light).  (a) Find the acceleration of the proton. m/s2(b) Over what time interval does the proton reach this speed? s(c) How far does it move in this time interval? m(d) What is its kinetic energy at the end of this interval? J

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.