The Curve Shows the Position of an Object with Time

question 57

Multiple Choice

The curve shows the position of an object with time. The object moves with a constant speed, v. Which of the vector diagrams below best represent the change in position vector from P₁ to P₂?

• A) 1)
• B) 2)
• C) 3)
• D) 4)
• E) None of these is correct.

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Definitions:

Endodermis

The innermost layer of cells in the cortex of a plant root, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Sieve Tube

Sugar-conducting tube of phloem; consists of stacked sieve elements.

Pressure Gradients

A physical quantity that represents the direction and rate at which pressure changes in a particular direction.

Evaporation

The process by which water changes from a liquid to a vapor or gas, a key component of the Earth's water cycle.