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A particle is projected vertically upwards from ground level with an initial velocity of 34.94m/s. Neglecting air resistance, calculate the total time taken, in seconds, for the particle to hit the ground again.

Take the magnitude of the acceleration due to gravity to by 9.81m/s^2.

  • Physics -

    Find the time to the top and double it.

    v = Vi - g t
    at the top, v = 0
    0 = 34.9 - 9.81 t
    t = 34.9/9.81
    2 t = 2 * 34.9/9.81

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