A Displacement Vector of Magnitude 15

question 26

Multiple Choice

A displacement vector of magnitude 15.2 km directed along the positive x-axis combines with a second vector to produce a total displacement of magnitude 17.9 km. What is the magnitude of the second vector?

• A) 2.7 km
• B) 9.5 km
• C) 23.5 km
• D) Not enough information is given.

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Definitions:

Centriole

In animal cells, a barrel-shaped organelle from which microtubules grow.

Cilia

Microscopic, hair-like structures on the surface of certain cells that move in a wave-like manner, facilitating movement or the transport of fluids and particles.

Vesicle

A small, fluid-filled sac or cyst within the body or a cell, used to transport materials within the cytoplasm.

Membrane Enclosed Sac

A structure within a cell, bounded by lipids, that contains fluid or smaller organelles, involved in transport, storage, and processing.