If,instead of the Correct Formula for Kinetic Energy,we Carelessly Use

question 78

Multiple Choice

If,instead of the correct formula for kinetic energy,we carelessly use the classical expression for kinetic energy for a particle moving at half the speed of light,by what magnitude percent will our calculation be in error? (c = 3.0 × 10⁸ m/s)

• A)24%
• B)19%
• C)27%
• D)7%
• E)1%