MCAT Question of the Day
    •

    Q:

    		 A ball of weight 20N sits at the bottom of a 100m pool. Buoyancy force is calculated and is determined to be 30N. Approximately how long will it take for the ball to rise to the surface?
    		 

    A

    		 4 seconds

    B

    		 6 seconds

    C

    		 8 seconds

    D

    		 10 seconds



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