Recent content by BobbyTee

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    Collision of cars - calculate mass

    Thanks a lot, it worked.
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    Collision of cars - calculate mass

    Ok, did it again with the correct signs and I got 1099.81 Kg. Correct? And what if the direction is north or south? North = + and South = -?
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    Collision of cars - calculate mass

    Ok so I used the M1xV1 + M2xV2 = (M1+M2)V Formula. 21.48x + (1386.25x32.07) = 8.38(1386.25+x) Ended up with 2506.89 Kg this time. Is this right?
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    Collision of cars - calculate mass

    That's the whole problem, I don't know what I'm doing, which is why I came to these forums. I was expecting someone to lead me how to get the answer. Which equation to use.. etc.. I have a test tomorrow and I don't understand this.
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    Collision of cars - calculate mass

    Homework Statement A Civic moving East at 21.48 m/s hits a 1386.25 kg Camry moving West at 32.07 m/s. After the collision, they stick together and move West at 8.38 m/s. What is the mass of the Civic? Homework Equations M1 x V1 + (M2+X)V2 The Attempt at a Solution I feel like I'm...
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    Solving a Collision Problem: 10,000 kg Locomotive & 620 kg Automobile

    Can you elaborate a little bit more? I didn't understand a single thing in class today because I was half asleep. Like, what is the law of conservation of momentum? Sorry if I'm asking for too much, I just registered to this site.
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    Solving a Collision Problem: 10,000 kg Locomotive & 620 kg Automobile

    Basically, we learned collision today in class and I didn't understand a single thing :/. If anyone can try and walk me through this problem I'd appreciate it. A 620 kg abandoned automobile sits in the middle of the railroad tracks. The engineer of an oncoming 10,000 kg locomotive...