A Ball Rolls Over the Edge of a Table with a Horizontal

question 7

Multiple Choice

A ball rolls over the edge of a table with a horizontal velocity v m/s. The height of the table is 1.6 m and the horizontal range of the ball from the base of the table is 20 m. What is the horizontal velocity of the ball just before it touches the ground?

• A) 35 m/s
• B) 9.8 m/s
• C) 20 m/s
• D) 4.9 m/s
• E) 70 m/s

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Definitions:

IR Spectra

The graphical representation of infrared light absorption by molecules, used to identify chemical bonds and functional groups in a substance.

IR Spectroscopy

A technique used to identify and study chemicals based on their absorption of infrared light, indicative of molecular vibrations and structure.

Compounds

Substances formed from the chemical combination of two or more elements in a fixed ratio, characterized by specific properties.

Characteristic Stretch

Refers to a specific vibration in a molecule observed in IR spectroscopy, corresponding to the bond or functional group unique to that molecule.