Suppose your car's speed doubles. By what factor will its kinetic energy change?
A) quadruple
B) double
C) remain constant
D) Can't tell

Name: Suppose your car's speed doubles. By what factor will its kinetic energy change? A) quadruple B) double C) remain constant D) Can't tell
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Question

Quizplus · Accepted Answer

The kinetic energy of an object is given by the formula KE = 1/2 mv^2, where m is the mass and v is the velocity. If the speed (velocity) doubles, the kinetic energy will increase by a factor of 2^2 = 4, or quadruple.

Suppose Your Car's Speed Doubles