A Dinner Plate Falls Vertically to the Floor and Breaks

question 61

Multiple Choice

A dinner plate falls vertically to the floor and breaks up into three pieces,which slide horizontally along the floor.Immediately after the impact,a 200-g piece moves along the +x-axis with a speed of 2.00 m/s,a 235-g piece moves along the +y-axis with a speed of 1.50 m/s.The third piece has a mass of 100 g.What is the speed of the third piece?

• A)2.51 m/s
• B)2.57 m/s
• C)3.50 m/s
• D)5.33 m/s
• E)6.83 m/s

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