A Proton with Mass 1

Multiple Choice

A proton with mass 1.67 × 10−²⁷ kg moves in an accelerator with speed of 0.900c.What is its kinetic energy? (c = 3.00 × 10⁸ m/s)

A) 1.95 × 10−¹⁰ J
B) 1.00 × 10−¹⁰ J
C) 3.70 × 10−¹⁰ J
D) 1.35 × 10−¹⁰ J