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19 January, 08:53

You stand on your skateboard and exert a 50-N push on the wall next to you. If your mass is 60 kg you'll momentarily accelerate from the wall at about You stand on your skateboard and exert a 50-N push on the wall next to you. If your mass is 60 kg you'll momentarily accelerate from the wall at about 0.8 m/s2. 8.0 m/s2. 0.08 m/s2. none of the above

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Answers (2)
  1. 19 January, 09:29
    0
    A. 0.8 m/s²

    Explanation:

    Parameters given:

    Force exerted on the wall, F = 50 N

    Mass, m = 60kg

    We know that force, F, is given as the product of mass and acceleration.

    Mathematically, it is given as:

    F = ma

    Where a = acceleration

    Therefore, acceleration will be:

    a = F/m

    a = 50/60

    a = 0.833 m/s² (approximately 0.8 m/s²)

    The acceleration of the skater is 0.8 m/s².
  2. 19 January, 12:43
    0
    you'll momentarily accelerate from the wall at about 0.8 m/s²

    Explanation:

    Given;

    force exerted on the wall next to you, F = 50-N

    your mass, m = 60 kg

    According to Newton's third law of motion, action and reaction are equal and opposite, thus if you exert a force of 50-N on the wall, the wall will exert an equal force to you.

    Force on the wall = force on you

    From Newton's second law of motion;

    F = ma

    a = F/m

    where;

    a is your acceleration from the wall

    m is your mass and

    F is the force on the wall

    a = 50 / 60

    a = 0.83 m/s²

    Thus, you'll momentarily accelerate from the wall at about 0.8 m/s²
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