One billiard ball is shot east at 2.60 {rm m/s}. a second,, Ask an Expert

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One billiard ball is shot east at 2.60 {rm m/s}. A second, identical billiard ball is shot west at 1.40 {rm m/s}. The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90^circ and sending it north at 1.52 {rm m/s}.

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