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average velocity positions you found above d) Take the derivative of the position formula to find the velocity formula. e) What is the instantaneous velocity of the car at 3s and 6s?

average velocity positions you found above d) Take the derivative of the position formula to find the velocity formula. e) What is the instantaneous velocity of the car at 3s and 6s?

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 10PE: (a) Refer to Table 1.3 to determine the average distance between the Earth and the Sun. Then...
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9. (a) and (b) are already solved.

(c), (d), and (e) need to be solved.

9. The position of a car is given by the formula x(t) = -9+ 2t a) What units must the -9 and the 2 have so that x(t) has units of meters? 2 is m/s^2 and -9 is m (meters) What is the position of the car at t=2s and t=7s? b) t=2s is -1 and t=7s is 89| c) What is the average velocity of the car as it moves between the two positions you found above d) Take the derivative of the position formula to find the velocity formula. e) What is the instantaneous velocity of the car at 3s and 6s?
Transcribed Image Text:9. The position of a car is given by the formula x(t) = -9+ 2t a) What units must the -9 and the 2 have so that x(t) has units of meters? 2 is m/s^2 and -9 is m (meters) What is the position of the car at t=2s and t=7s? b) t=2s is -1 and t=7s is 89| c) What is the average velocity of the car as it moves between the two positions you found above d) Take the derivative of the position formula to find the velocity formula. e) What is the instantaneous velocity of the car at 3s and 6s?
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