During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 0.145 kg baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 14.3 m/s, shatters the glass as it passes through, and leaves the window at 11.9 m/s with no change of direction.   Calculate the magnitude of this impulse (a positive number). impulse:  N⋅s     The ball is in contact with the glass for 0.0105 s as it passes through. Find the magnitude of the average force of the glass on the ball (a positive number). average force:  N

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