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25 December, 09:15

Rank the magnitude (absolute value) of the momentum of the following systems from least (1) to most (6)

1. A 100 kg New England Patriot running at 8 m/s toward a 120 kg Denver Bronco running toward the Patriot at 7 m/s

2. A 0.300 kg baseball being thrown with a speed of 40 m/s.

3. A 100 kg go-cart moving at a speed of 9 m/s overtaking another 120 kg go-cart moving in the same direction at 8 m/s.

4. A. 020kg bullet flying at 1000 m/s.

5. A 1000 kg car moving with a velocity of + 20 m/s toward a 10,000 kg truck moving toward the car with a velocity of - 2 m/s.

6. A 10 kg baby crawling at 0.25 m/s. 3

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  1. 25 December, 09:20
    0
    The order of the different choices from least (1) to most (6) is as follows:

    1 = 5

    2 = 6

    3 = 2

    4 = 4

    5 = 1

    6 = 3

    Explanation:

    The total momentum for each system can be expressed as follows:

    1) m₁*v₁ + m₂*v₂ = 100kg*8m/s - 140kg*7m/s = - 40 Kg*m/s

    Absolute Value : 40 Kg*m/s

    Ranked Nbr. 5.

    2) mb*vb = 0.3Kg*40m/s = 12 Kg*m/s

    Ranked Nbr. 3

    3) m₁*v₁ + m₂*v₂ = 100 kg*9m/s + 120Kg*8m/s = 1,860 Kg*m/s

    Ranked Nbr. 6

    4) mb*vb = 0.020 kg * 1,000 m/s = 20 kg*m/s

    Ranked Nbr. 4

    5) mc*vc + mt*vt = 1,000 kg*20 m/s - 10,000 kg*2m/s = 0

    Ranked Nbr. 1

    6) mb*vb = 10 Kg*0.25 m/s = 2.5 Kg*m/s

    Ranked Nbr. 2
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