The Figure Shows a Graph of the Position X of Two

question 106

Multiple Choice

The figure shows a graph of the position x of two cars,C and D,as a function of time t.
According to this graph,which statements about these cars must be true? (There could be more than one correct choice. )

• A)The magnitude of the acceleration of car C is greater than the magnitude of the acceleration of car D.
• B)The magnitude of the acceleration of car C is less than the magnitude of the acceleration of car D.
• C)At time t = 10 s,both cars have the same velocity.
• D)Both cars have the same acceleration.
• E)The cars meet at time t = 10 s.

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Definitions:

Skilled Workers

Employees who have specialized training, knowledge, and experience that empower them to perform complex tasks.

Supply and Demand

The fundamental economic model describing how prices vary as a result of a balance between the quantity of a good or service available and the quantity desired by consumers.

Real Price

Price of a good relative to an aggregate measure of prices; price adjusted for inflation.

Supply Curve

A graphical representation that shows the relationship between the price of a good or service and the quantity of that good or service that a seller is willing and able to supply, usually depicted as upward sloping.