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aroub Group Title

A car accelerates from rest in a straight line at a constant rate of 4.0 m/s^2 for 4.0 seconds then moves at constant speed for a further 2.0 seconds. Find the displacement of the car in the first 3 seconds. I think you have to use the equation: s=1/2at^2 but what's the time here?

  • one year ago
  • one year ago

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  1. hba Group Title
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    Its an easy question,the first step is to make the Data :)

    • one year ago
  2. hba Group Title
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    |dw:1348080027343:dw|

    • one year ago
  3. hba Group Title
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    @aroub The time you have to use is 3 sec

    • one year ago
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    |dw:1348080622721:dw|

    • one year ago
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    |dw:1348080692569:dw|

    • one year ago
  6. aroub Group Title
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    I lost my internet connection yesterday :/ Thank you so much!! =D

    • one year ago
  7. hba Group Title
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    No Problem :D

    • one year ago
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