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Need help to find speed

  • #1

Homework Statement



A pitcher throws a baseball toward home plate. The baseball, which has a mass of 145g, approaches the plate with 122 J of kinetic energy. Calculate the speed of the baseball.

Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
rock.freak667
Homework Helper
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31

Homework Equations





The Attempt at a Solution

*ahem*

so what about it?
 
  • #3
ummm, how do u figuar it out? We are stumped. I am trying to show a grade 10er how to do this. I dont know this stuff or how to figuare it out.
 
  • #4
rock.freak667
Homework Helper
6,230
31
ummm, how do u figuar it out? We are stumped. I am trying to show a grade 10er how to do this. I dont know this stuff or how to figuare it out.
it has 122J of kinetic energy, what is the formula for kinetic energy?
 

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