You Shoot an Arrow in a High Arc Toward a Target

question 53

Multiple Choice

You shoot an arrow in a high arc toward a target located some distance away.At the highest point in its flight,the arrow's

• A)velocity and acceleration are both nonzero.
• B)velocity is zero but its acceleration is nonzero.
• C)velocity is nonzero but its acceleration is zero.
• D)velocity and acceleration are both zero.
• E)Insufficient information is given to answer correctly.

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Definitions:

Aldosterone

Steroid hormone produced by the zona glomerulosa of the adrenal cortex that facilitates potassium exchange for sodium in the distal renal tubule, causing sodium reabsorption and potassium and hydrogen secretion.

Na+

Sodium ions, which are essential for various physiological functions, including nerve impulse transmission and muscle contraction.

Nephron

Functional unit of the kidney, consisting of the renal corpuscle, the proximal convoluted tubule, the loop of Henle, and the distal convoluted tubule.

Interstitial Fluid

The fluid that surrounds the cells in tissues, providing nutrients and removing waste.