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a body sees a ball go up and then down theough a window 2.45m high. if the total time that ball is in sight is 1 sec, the height above the window the ball rises is approximately how much?? |
| Answer» a body sees a ball go up and then down theough a window 2.45m high. if the total time that ball is in sight is 1 sec, the height above the window the ball rises is approximately how much?? | |