ms sue please answer quick! science (sort of)

how much of a Newton would you flick a marble with?!

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  1. I don't know.

  2. It depends on the data:
    - how big is the marble?
    - how fast do you want to shoot the marble?

    Take the example of a marble of 1 cm in diameter (3/8 of an inch), or 0.005m in radius, to be shot at a speed of 1m/s from rest within 0.1 sec.

    Volume
    = 4πr³/3
    = 5.24*10^(-7)
    With a density of (glass) of approximately
    2500 kg/m²

    mass, m
    =2500*5.24*10(-7)
    =1.31*10^(-3)

    Acceleration, a, is from rest to 1m/s in 0.1 sec.
    = 1m/s /0.1 s
    =10 m/s²

    Force (in Newton) required
    = ma
    =1.31*10^(-3) * 10 N
    = 0.013 N

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