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

question 49

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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Definitions:

Hot Objects

Items that have absorbed or are emitting a high level of thermal energy, often perceivable through the sensation of heat upon contact.

Cold Objects

Items that are at a low temperature, potentially causing a decrease in temperature of anything they come into contact with.

Merkel Disks

Specialized skin cells that function as mechanoreceptors to sense touch and texture.

Pacinian Corpuscles

Specialized nerve endings in the skin and visceral organs sensitive to pressure and vibration.