The X and Y Coordinates in Meters of the Center

question 39

Multiple Choice

The x and y coordinates in meters of the center of mass of the three-particle system shown below are:

• A) 0, 0
• B) 1.3 m, 1.7 m
• C) 1.4 m, 1.9 m
• D) 1.9 m, 2.5 m
• E) 1.4 m, 2.5 m

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Definitions:

Tunic

In a biological context, a fibrous or cellular covering layer, such as that surrounding certain seeds or the body of sea squirts and other invertebrates.

Adult Tunicates

Marine invertebrates that are members of the subphylum Tunicata; they are sessile as adults and have a sac-like body covered with a tunic.

Filter Feeders

Organisms that feed by straining suspended matter and food particles from water, typically using a specialized filtering structure.

Lancelets

Lancelets are small, blade-like marine animals belonging to the subphylum Cephalochordata, exhibiting key characteristics of chordates, such as a notochord and a dorsal nerve cord.