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Name: السؤال 8The position vector of a car on a road is given by x (t) =a+b
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Description: السؤال 8The position vector of a car on a road is given by x (t) =a+bt+ct?, with a= 15 m, b= 7 m/s and c= 1 m/s2. What is the car's velocity after 3seconds?17 m/s O10 m/s20 m/s O13 m/s O

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The position vector of a car on a road is given by x (t) =a+bt+ct?, with a= 15 m, b= 7 m/s and c= 1 m/s2. What is the car's velocity after 3 seconds?

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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السؤال 8
The position vector of a car on a road is given by x (t) =a+bt+ct?, with a= 15 m, b= 7 m/s and c= 1 m/s2. What is the car's velocity after 3
seconds?
17 m/s O
10 m/s
20 m/s O
13 m/s O

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