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    please help??? AP PHYSICS TEST TMRW?? catchup problem?

    ok weelll a car starts from rest and accelerates uniformly at 3.0 m/s sq. a second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5 m/s sq. how long does it take the second car to overtake the first car??? i think you have to make the distances equal to...
  2. L

    i'm not sure about a physics problem?? wording is confusing? motion problem?

    an object starts from rest and undergoes uniform acceleration. during the first second it travels 5 m, how far will it travel during the third second? i figured out that the acceleration is 10 and then when i plugged it in for 3 seconds, i got 45 m as an answer.. but the answer is 25?? why? i...
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    PHYSICS CATCHUP problems?? cluelesss please help?

    at the instant a traffic light turns green, a car that has been waiting at the intersection starts ahead with a constant acceleration of 2. at that moment a truck travelling with a constant velocity of 15 m/s overtakes and passes the car. a. calculate the time necessary for the car to reach the...
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    strange noise coming from my IMAC? when i mute?!!?

    whenever i mute, weather it be on the computer or by keyboard... it makes a strange popping sound.. it never happened b4. thannks i checked sound on preferences .. i didn't see nething tht would apply to it thankyou yay it went away =]
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