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2 August, 01:50

A physicist working in a large labortory has found out that the light particles traveling in a particle accelerator increase velocity in a manner that can be described by linear function - 4x+3y=15, where x is time and y is velocity in kilometers per hour. use this function to determine when a certain particle will reach 30 km/hr

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  1. 2 August, 03:24
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    Given:

    -4x + 3y = 15

    where

    x = time, hr

    y = velocity, km/h

    Write the equation as

    3y = 4x + 15

    y = (4/3) x + 5

    When y = 30 km/h, then

    (4/3) x + 5 = 30

    (4/3) x = 25

    x = 25 * (3/4) = 18.75 h

    Answer: 18.75 hours
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