The Distance Traveled by a Car in the X-Direction Is

question 2

Multiple Choice

The distance traveled by a car in the x-direction is shown.When the car changes speed for t = 10 s to 15 s,it does so uniformly.Use the graph below to answer the question.
-If the position of an object is plotted vertically on a graph and the time is plotted horizontally,the instantaneous velocity at a particular time is

• A)the height of the curve at that time.
• B)the total length of the curve.
• C)the slope of the tangent to the curve at that time.
• D)the area under the curve from zero to that time.
• E)impossible to determine from this type of plot.