Solved: A test car travels in a straight line along the x-

Chapter 2, Problem 11E

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QUESTION:

A test car travels in a straight line along the x-axis. The graph in Fig. E2.11 shows the car’s position x as a function of time. Find its instantaneous velocity at points A through G.

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QUESTION:

A test car travels in a straight line along the x-axis. The graph in Fig. E2.11 shows the car’s position x as a function of time. Find its instantaneous velocity at points A through G.

ANSWER:

Answer:

Step 1: We can calculate the instantaneous velocity at any point is the slope of the tangent line to the graph at that point.

For the Fig. E2.11

Step2 : Portion of the curve on which A and B lies appears to be approximately a line segment.

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