You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 72.8 kg, and the mass of the sled when empty is 11.2 kg. From shore, someone throws a baseball of mass 0.169 kg to you, and you catch it; the horizontal component of the ball s velocity is 33.7 m/s. What will be the sled s (and your) speed with respect to the surface of the pond after you catch the ball?     7.81 cm/s     50.1 cm/s     3.39 cm/s     6.77 cm/s

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