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Physics 8 Online
OpenStudy (anonymous):

If the kinetic energy of an object has increased by 16 times, by how many times has its speed increased?

OpenStudy (anonymous):

It will increase 256 times

OpenStudy (anonymous):

Thank you @MariaSyed , how did you get that answer?

OpenStudy (anonymous):

Kinetic energy is directly proportional to the square of speed so square of 16 is 256. You canread this http://www.physicsclassroom.com/class/energy/u5l1c.cfm

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