An electron is traveling at 0.85c. What is its mass? (The rest mass is 9.11 × 10^-³¹ kg.) A)1.4 × 10^-²⁹ kg B)7.2 × 10^-³⁰ kg C)1.7 × 10^-³⁰ kg D)2.4 × 10^-³⁰ kg E)4.2 × 10^-³⁰ kg

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The Answer of An electron is traveling at 0.85c. What is its mass? (The rest mass is 9.11 × 10^-³¹ kg.) A)1.4 × 10^-²⁹ kg B)7.2 × 10^-³⁰ kg C)1.7 × 10^-³⁰ kg D)2.4 × 10^-³⁰ kg E)4.2 × 10^-³⁰ kg

An Electron Is Traveling at 0