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Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?
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a runner starts at a postion of 5.0 m and travels wt a rate of -3.2 m/s. determine the position of t...
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