The graph to the right shows the speed of a truck as it moves along a straight, level road. Which of the following describe a method to determine the distance d the truck travels during the 10 s time interval shown? Select two answers.  a Multiply the average speed of 18 m/s by the 10 s travel time.  b Calculate the area under the line in the graph.  c Multiply half the initial speed of 30 m/s by the 10 s travel time.  d Calculate the slope of the line in the graph to determine the acceleration a and then use d = (1 2) 2 at , where t is the travel time.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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The graph to the right shows the speed of a truck as it moves along a straight, level road. Which of the following describe a method to determine the distance d the truck travels during the 10 s time interval shown? Select two answers.
 a
Multiply the average speed of 18 m/s by the 10 s travel time.
 b
Calculate the area under the line in the graph.
 c
Multiply half the initial speed of 30 m/s by the 10 s travel time.
 d
Calculate the slope of the line in the graph to determine the acceleration a and then use d = (1 2) 2 at , where t is the travel time.
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