A Ball Hits a Wall and Rebounds with the Same $\Delta$

question 30

Multiple Choice

A ball hits a wall and rebounds with the same speed, as diagrammed below.The changes in the components of the momentum of the ball are:

• A)"\(\Delta\)p_x > 0, \(\Delta\)p_y > 0"
• B)"\(\Delta\)p_x < 0, \(\Delta\)p_y > 0"
• C)"\(\Delta\)p_x = 0, \(\Delta\)p_y > 0"
• D)"\(\Delta\)p_x = 0, \(\Delta\)p_y < 0"
• E)"\(\Delta\)p_x > 0, \(\Delta\)p_y < 0"

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