Calculate the Speed of a Baseball with Mass 145g and Kinetic Energy 122 J

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Homework Help Overview

The problem involves calculating the speed of a baseball with a given mass and kinetic energy. The subject area pertains to mechanics, specifically kinetic energy and motion.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • Participants express confusion regarding the calculation process and seek clarification on the relevant formulas for kinetic energy. There is an emphasis on understanding how to guide someone else through the problem.

Discussion Status

The discussion reflects a lack of consensus on how to approach the problem, with participants questioning the necessary steps and formulas. Some guidance is sought regarding the kinetic energy formula, indicating a productive direction for further exploration.

Contextual Notes

Participants are attempting to explain the concept to a grade 10 student, which may influence the level of detail and clarity required in the discussion.

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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

 
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njohnson222 said:

Homework Equations





The Attempt at a Solution


*ahem*

so what about it?
 
ummm, how do u figuar it out? We are stumped. I am trying to show a grade 10er how to do this. I don't know this stuff or how to figuare it out.
 
njohnson222 said:
ummm, how do u figuar it out? We are stumped. I am trying to show a grade 10er how to do this. I don't 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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