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physics

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A 72 g baseball rolls off a 1.5 m high table and strikes the floor a distance of .8 m away from table. How fast is it rolling on the table before it fell off?? Accel of gravity is 9.81 m/s2.

  • physics - ,

    I will be happy to critique your thinking on this. You know how much time it took the ball to fall 1.5m.

  • physics - ,

    How fast WAS it rolling on the table before it fell off. I don't think the height of the table (1.5m) or distance from table (.8m) are relavent to the problem. Is this a trick problem???

  • physics - ,

    Figure out how long it takes an object to fall 1.5 meters starting from zero vertical speed component at 9.81 m/s^2.
    That is how long it is in the air.
    Then how fast was its horizontal velocity component to go .8 meters in that time that you found?
    The only thing that is not relevant is the mass of the ball.

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