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Thread: a physics question...

  1. #21
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    Default Re: a physics question...

    Quote Originally Posted by tionghan View Post
    yes yes yes... that's my question.. in short i just wanna know the 'speed' of the car that'll hit john
    If the collision is inelastic (both cars combine into one lump), the answer is 50. If the collision is elastic (car A stops completely, car B bounces off, aka billiard ball style) the answer is 100. Assuming textbook conditions.

  2. #22
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    Default Re: a physics question...

    Quote Originally Posted by tionghan View Post
    say Car A is stationary. Car B crashes car A at a speed of 100km/h..
    john is standing 10cm infront of car A
    both car weights 1 ton.

    what is the speed equivalent of car A impact on john

    ok car A does not have handbrake on in case someone will ask....
    50kmh

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