Particles 1, 2, and 3 Have Equal Masses and Equal

question 39

Multiple Choice

Particles 1, 2, and 3 have equal masses and equal speeds. The angular momentum with respect to the origin for these three masses is

• A) the same for each particle.
• B) greatest for particle 1.
• C) greatest for particle 2.
• D) greatest for particle 3.
• E) least for particle 2.

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Definitions:

Juxtaglomerular Apparatus

A structure in the kidney that regulates blood pressure and the filtration rate of the glomerulus by releasing renin.

Macula Densa Cells

Specialized cells in the kidneys that sense sodium concentration and regulate the rate of glomerular filtration.

Interstitial Osmolarity

The concentration of solutes in the interstitial fluid, affecting the movement of water between cells and the extracellular fluid.

Countercurrent Exchange

A mechanism that allows for efficient transfer of heat or matter between fluids flowing in opposite directions.