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  1. The velocity of the vehicle, x is 4 m/s

    Explanation:

    Where we have conservation of momentum then we have;

    Sum of Initial momentum = Sum of Final momentum

    Initial momentum of truck = 5000 kg·m/s

    Initial momentum of car = 1600 kg·m/s

    Sum of initial momentum of truck and car = 5000 kg·m/s + 1600 kg·m/s = 6600 kg·m/s

    Final momentum of truck = = 3400 kg·m/s

    Final momentum of car = 800 kg × x m/s

    Therefore, by the principle of conservation of momentum, we have;

    6600 kg·m/s = 3400 kg·m/s + 800 kg × x m/s

    From which;

    800 kg × x m/s = 6600 kg·m/s - 3400 kg·m/s = 3200 kg·m/s

    x m/s = 3200 kg·m/s /(800 kg) = 4 m/s

    The velocity of the vehicle, x = 4 m/s

  2. answer:

    B. the sky, it seems, would poor down stinking pitch.

    Explanation:

    Iambic pentameter is comprised of two words, where pentameter is a blend of 'confined,' which implies five, and 'meter,' which intends to quantify.

    It is a metrical foot in verse in which a focused on a syllable is trailed by an unstressed syllable. It implies predictable rhyming is a beat or foot that utilizes 10 syllables in each line.

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