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aroub

  • 3 years ago

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?

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  1. hba
    • 3 years ago
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    Its an easy question,the first step is to make the Data :)

  2. hba
    • 3 years ago
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    |dw:1348080027343:dw|

  3. hba
    • 3 years ago
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    @aroub The time you have to use is 3 sec

  4. hba
    • 3 years ago
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    |dw:1348080622721:dw|

  5. hba
    • 3 years ago
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    |dw:1348080692569:dw|

  6. aroub
    • 3 years ago
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    I lost my internet connection yesterday :/ Thank you so much!! =D

  7. hba
    • 3 years ago
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    No Problem :D

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