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Daniellelovee

  • one year ago

Suppose you are using a system of units based on the centimeter (cm) for length, the gram (g) for mass, and the second (s) for time. The kinetic energy that an object has because of its motion is equal to half its mass times its speed squared, or KE=1/2mv2. In this system of units, what units would be used to express KE? g*cm2/s2 g*cm/s kg*cm2/s2 g*cm3/s

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  1. Daniellelovee
    • one year ago
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    @mathmate

  2. Daniellelovee
    • one year ago
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    @dan815

  3. Daniellelovee
    • one year ago
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    @mathmate

  4. anonymous
    • one year ago
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    m is mass v is velocity Mass would have to be in grams according to your question Cm would have to be your distance or length Time would have to be in seconds But velocity is distance (cm)/time (s) so units for velocity is cm/s

  5. Daniellelovee
    • one year ago
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    @Shalante

  6. anonymous
    • one year ago
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    Show me your work. Dont tell me.

  7. Daniellelovee
    • one year ago
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    ok so half of grams time speed squared would be g/s^2

  8. Daniellelovee
    • one year ago
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    so A then?

  9. anonymous
    • one year ago
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    Stop mentioning answers until you solved it please.

  10. Daniellelovee
    • one year ago
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    ok but Im sure is A now because it seems similar to what the problem is saying

  11. anonymous
    • one year ago
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    grams times speed is \[g \times \frac{ m }{ s }\]

  12. Daniellelovee
    • one year ago
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    yes but the speed on the problem is squared

  13. anonymous
    • one year ago
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    If you solve it algebraically, I can confirm your answer. Tell me which part you are lost in and I will help.

  14. anonymous
    • one year ago
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    Yep that is logical, but it might not always be correct.

  15. Daniellelovee
    • one year ago
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    nvm Im not lost anymore, I got this, and thank you for your help :)

  16. anonymous
    • one year ago
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    No problem! Good luck on the rest.

  17. Daniellelovee
    • one year ago
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    thank you :)

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