At an Instant When a Particle of Mass 80 G

question 81

Multiple Choice

At an instant when a particle of mass 80 g has a velocity of 25 m/s in the positive y direction, a 75-g particle has a velocity of 20 m/s in the positive x direction. What is the speed of the center of mass of this two-particle system at this instant?

• A) 16 m/s
• B) 45 m/s
• C) 23 m/s
• D) 20 m/s
• E) 36 m/s

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Definitions:

Elastic

Refers to the responsiveness of the quantity demanded or supplied of a product to changes in its price.

Decreasing Prices

A situation where the cost of goods or services is becoming lower over time.

Revenue

The total amount of money received by a company for goods sold or services provided during a specific period.

Price Elastic

An indicator of the sensitivity of the demand for a product to alterations in its price.