Lim asked in Science & MathematicsPhysics · 1 month ago

Determine the time taken for the speed to decrease from 12 m/s to 8 m/s?

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  • oubaas
    Lv 7
    1 month ago
    Favorite Answer

    time t = ΔV/a = (8-12)/a 

    time depends upon the acceleration a :

    if a = -1 m/sec^2 , then t = -4/-1 = 4.0 sec 

    if a = -4 m/sec^2 , then t = -4/-4 = 1.0 sec

    ....and so on 

  • 1 month ago

    I can do that in less than 12 parsecs!

  • NCS
    Lv 7
    1 month ago

    What's the acceleration? If its magnitude is "a," then

    time t = (12 - 8)m/s / a

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