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A ball is thrown straight up and passes a window in a multi-story building. The window is 2.0 m tall. A person in the room looking out of the window sees the ball move past but it disappears for a brief interval of time and then it reappears as it falls back down past the window. The person sees the ball for a total of 0.80 sec (0.40 sec going up and 0.40 sec going down). Find the height above the top of the window that the ball rises to before it starts to fall back down.

A ball is thrown straight up and passes a window in a multi-story building.  The window is2.0 m tall.  A person in the room looking out of the window sees the ball move past but itdisappears for a brief interval of time and then it reappears as it falls back down past thewindow.  The person sees the ball for a total of 0.80 sec (0.40 sec going up and 0.40 secgoing down).  Find the height above the top of the window that the ball rises to before itstarts to fall back down.

Grade:12th Pass

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