How fast would a 1000-kg car be traveling if it had a kinetic energy equal to 1000 Calories?
A) 91 m/s
B) 2.9 m/s
C) 12 m/s
D) 8 m/s

Name: How fast would a 1000-kg car be traveling if it had a kinetic energy equal to 1000 Calories? A) 91 m/s B) 2.9 m/s C) 12 m/s D) 8 m/s
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Question

Quizplus · Accepted Answer

Kinetic energy = 1000 Calories = 1000 * 4186 J = 4186000 JKinetic energy = 1/2 * mv^24186000 = 1/2 * 1000 * v^2v^2 = 8372v = 91 m/s

How Fast Would a 1000-Kg Car Be Traveling If It