A Projectile Is Fired Horizontally in a Region of No

question 28

Multiple Choice

A projectile is fired horizontally in a region of no air resistance. The projectile maintains its horizontal component of speed because

• A)it is not acted on by any forces.
• B)it is not acted on by any horizontal forces.
• C)it has no vertical component of speed to begin with.
• D)the net force acting on it is zero.
• E)none of the above

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Definitions:

Childbirth

The process of delivering a baby from the womb to the outside world, including labor and delivery.

Apgar Score

A quick test performed on a newborn after birth to assess the baby's heart rate, muscle tone, reflexes, skin color, and respiration for signs of distress or the need for immediate medical care.

Percentage

A mathematical concept used to represent a portion of 100, often expressed with the symbol %.

Centers for Disease Control

A national public health institute in the United States, focused on protecting public health and safety through the control and prevention of disease, injury, and disability.