A Bullet Is Fired Through a Board,14

question 1

Multiple Choice

A bullet is fired through a board,14.0 cm thick,with its line of motion perpendicular to the face of the board.If it enters with a speed of 450 m/s and emerges with a speed of 220 m/s,what is the bullet's acceleration as it passes through the board?

• A)-500 km/s²
• B)-550 km/s²
• C)-360 km/s²
• D)-520 km/s²
• E)-275 km/s²

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Definitions:

Twice Daily

A term used to indicate that a medication or treatment should be administered two times in a 24-hour period.

Abbreviation

A shortened form of a word or phrase used to simplify writing and speaking.

Transdermal

Through the skin.

Subcutaneous

Pertaining to or situated under the skin.