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physics

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an object a is moving with 10m/s and bis moving with 5m/s in the same direction of positive x axis . ais 100 m behind b . find time taken by a to meet b

  • physics -

    (100+x)/v(A) = x/v(B)
    500+5x=10x
    x=100 m
    t=(100+x)/v(a)=200/10=20 s.

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