A Car Is Traveling with a Constant Speed When the Driver

question 57

Multiple Choice

A car is traveling with a constant speed when the driver suddenly applies the brakes,causing the car to slow down with a constant acceleration of magnitude 3.50 m/s².If the car comes to a stop in a distance of 30.0 m,what was the car's original speed?

• A)10.2 m/s
• B)14.5 m/s
• C)105 m/s
• D)210 m/s
• E)315 m/s

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Definitions:

Price Floor

A regulatory measure that sets the lowest legal price for a good or service to prevent market prices from dropping below a specified level, ensuring producers' welfare.

Shortage/Surplus

A shortage occurs when demand exceeds supply, while a surplus happens when supply exceeds demand, both of which can lead to market adjustments.

Demand Equation

A mathematical representation of the relationship between the quantity of a good consumers are willing and able to buy and the good's price.

Supply Equation

An economic formula that represents the relationship between the quantity of a good supplied by producers and the price of the good.