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A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. The machinefires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoilspeed of the pitching machine? (Assume negligible friction.)A) 0.14 m/sB) 0.28 m/sC) 0.70 m/sD) 4.4 ˛ 103 m/s
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