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Chemistry
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A) a baseball weights 5.13 oz. What is the kinetic energy in joules of this baseball when it is thrown by a major league pitcher at 95.o mph?

Apr 22nd, 2015

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Apr 21st, 2015

Kinetic Energy = mv^2/2

Given m =5.13 oz = 0.1454331 kg

v =95 m/hr = .0263 m/s

so KE = 0.1454331 * .0263*.0263/2

  =0.00005029731J

=0.000005030 J

Please let me know if you have any other questions and best me if you are satisfactory. 

Apr 22nd, 2015

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Apr 22nd, 2015
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Apr 22nd, 2015
Dec 7th, 2016
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