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Physics 15 Online
OpenStudy (anonymous):

The symbols for kinetic energy, mass and speed are, respectively, KE, m and v. The MKS units of kinetic energy, mass and speed are, respectively, joules, kilograms and meters per second. Joules are equal to kilogram square meters per square seconds. Which of the following equations is incorrect by unit analysis? KE = StartFraction 1 Over 2 EndFraction m v Superscript 2 v2 = 2KE/m m = 2KE/v2 m = 2KEv2 mv2 = 2KE

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