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  1. S

    Non uniform acceleration

    Homework Statement A particle is moving along a straight line such that when it is at the origin it has a velocity of 5m/s. If it begins to decelerate at a rate of a=(-2.5v^(1/2)) m/s^2, where v is in m/s, determine the distance it travels before it stops Homework Equations The Attempt at a...
  2. S

    Real and apparent depth

    Homework Statement Hi. I need help with homework. the correct answers have been provided in the question. one doesn't match with mine and the other does. I don't understand how the one answer can be correct when its dependent on my incorrect answer. A transparent cube of 15cm edge contains a...