A Dinner Plate Falls Vertically to the Floor and Breaks

question 66

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 320-g piece moves along the +x-axis with a speed of 2.00 m/s and a 355-g piece moves along the +y-axis with a speed of 1.50 m/s.The third piece has a mass of 100 g.In what direction relative to the +x-axis does the third piece move?

• A)216.9° from the +x-axis
• B)219.8° from the +x-axis
• C)36.9° from the +x-axis
• D)39.9° from the +x-axis
• E)39.8° from the +x-axis

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