A 2-Kg Cart, Traveling on a Horizontal Air Track with a Speed

question 19

Multiple Choice

A 2-kg cart, traveling on a horizontal air track with a speed of 3 m/s, collides with a stationary 4-kg cart.The carts stick together.The impulse exerted by one cart on the other has a magnitude of:

• A)0 N∙s
• B)4 N∙s
• C)6 N∙s
• D)9 N∙s
• E)12 N∙s

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Definitions:

Market Demand Curve

A graphical representation that shows the quantity of a good or service that all consumers in a market are willing and able to purchase at different prices.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price, within a specific time period.

Price

The financial quantity seen as necessary, expected, or provided in return for something.

Demand Curve

A graphical representation showing the relationship between the price of a good and the amount of it that consumers are willing and able to purchase at various prices.