A Ball of Mass 3m, Moving at Speed V to the Right

question 21

Multiple Choice

A ball of mass 3m, moving at speed v to the right, approaches a ball of mass 2m, moving at speed 2v to the left. After the balls collide, what is the velocity of the center of mass?

• A) v right
• B) v/5 left
• C) v/5 right
• D) v left
• E) Can't decide because we don't know whether this collision is inelastic or elastic

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Definitions:

Primary Growth

Growth in plants resulting from cell division in the apical meristems, leading to an increase in height and length of the plant.

Terminal Bud

The primary area of growth in most plants, typically found at the tip of a stem where it can give rise to new tissue and extend the length of the stem.

Vascular Tissue

The system of tubes in plants that conducts water, minerals, and nutrients.

Phloem

In plants, the network of tissues responsible for carrying sugars and metabolic outputs from the leaves to the lower parts.