If objects A and B have the same mass, but object B has 9X the kinetic energy of object A, what is true of their speeds?
A. vB = 9vA
B. vB = 3vA
C. 9vB = vA
D. 3vB = vA
B. vB = 3vA
Since KE is proportional to the velocity squared, if the velocity has tripled, the KE will increase by a factor of 32 or 9.
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Fill in the blank(s) with correct word