Basic Kinematics Variables: the Figure Shows the Position of an Object

question 21

Multiple Choice

Basic kinematics variables: The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?

• A) The object is accelerating to the left.
• B) The object is accelerating to the right.
• C) The acceleration of the object is in the same direction as its velocity.
• D) The average speed of the object is 1.0 m/s.

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Definitions:

Superior Vena Cava

A large vein that carries deoxygenated blood from the upper body to the heart.

Median Cubital Vein

The median cubital vein is a superficial vein located in the cubital fossa and commonly used for venipuncture or the insertion of an intravenous catheter.

Brachial Artery

A major blood vessel of the upper arm, responsible for providing oxygenated blood to the upper limb, branching from the shoulder to the elbow.

Lingual Artery

A branch of the external carotid artery that supplies blood to the tongue.