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Q & A: Kinetice energy of a fly versus an automobile

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Most recent answer: 11/25/2013
Q:
What speed would a fly with mass of 0.55 need in order to have the same kinetic energy as the auto mobile of 7.610`4
- mohammed (age 19)
kuwait
A:

It depends on variables you did not specify.   As you probably know the relationship between mass, velocity and kinetic inergy is KE = mv2/2.     Since you didn't give either the mass or the velocity of the auto the problem is underdetermined.  The missing units are equally important.

 

LeeH


(published on 11/25/2013)

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