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March 26, 2017

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A cannon that is 10m long is designed to launch a 10kg ball over a castle wall.
In order to do this the ball must have a speed of at least 50m/s as it exits the
cannon. For every 10kg of explosives used, the force on the ball in the cannon
increases by 1000N. How many kg of explosives should they use?

  • physical scinsce - ,

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall.
    In order to do this the ball must have a speed of at least 50m/s as it exits the
    cannon. For every 10kg of explosives used, the force on the ball in the cannon
    increases by 1000N. How many kg of explosives should they use?

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