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sur2124 |
08/26/06 |
From the top of a building of height 30m, a mass is dropped, and at the same time from ground level, and directly beneath the dropped mass, another mass is thrown straight up with a speed of 15m/s. (a) How far apart will the masses be after 0.5s? (b) Will the masses ever meet ar pass each other? If yes, will the meet take place while both masses are falling, or when one is rising and the other falling? |
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