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    What am I doing wrong?
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    :giggle: I just got the same answer. Probably because I imputed the same numbers.... I dunno makes sense for me to get the answer this way.
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    (Original post by Onthedancefloor)
    What am I doing wrong?
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    Q4b.)

    Attachment 615544615546615600


    :giggle: I just got the same answer. Probably because I imputed the same numbers.... I dunno makes sense for me to get the answer this way.
    It's been a while since you posted and you may have got an answer but if not....... I don't know what you are attempting to do with your suvat equations. It looks like you have shown how long it would take 4kg to travel 2m and then used that time to show 3kg would travel 2m in that time??? Kind of redundant work as of course it would travel 2m as the two are connected by a string until 4kg stops moving.
    You need to calculate the speed of the 3kg particle after travelling 2m under the influence of acceleration g/7. Then you need to work out how much further it will travel until it comes to rest under the influence of acceleration of -g.

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