hdbug4970 hdbug4970 25-04-2024 Physics Answered A proton is moved from a region of 100 V to a region of 200 V,where it comes to rest. Its mass is 1.67 x 10⁻²⁷ kg, and its chargeis 1.60 x 10⁻¹⁹ C. What is the proton's initial speed?