# (a) By taking the slope of the curve in Figure 2.60, ## Problem 59PE Chapter 2

Physics: Principles with Applications | 6th Edition

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Problem 59PE

(a) By taking the slope of the curve in Figure 2.60, verify that the velocity of the jet car is 115 m/s at t = 20 s . (b) By taking the slope of the curve at any point in Figure 2.61, verify that the jet car’s acceleration is 5.0 m/s2

Step-by-Step Solution:

Step-by-step solution 59PE Step 1 of 5 The slope of the Position vs. Time graph gives velocity of the object. Whereas, the slope of the velocity vs time graph gives acceleration. Step 2 of 5 (a) The slope of the Position vs. Time graph is calculated by tangent drawn at time 20 s. Step 3 of 5 The slope from the graph is calculated as, Here, and are the positions of jet car at time and respectively. Substitute 2100 m for , 900 m for , 25 s for and 15 s for . The speed of car from graph is 120 m/s and is very close to the expected value 115 m/s. So, the calculated is under valid range of uncertainty. Hence, verified that speed of jet car is .

Step 4 of 5

Step 5 of 5

##### ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. Since the solution to 59PE from 2 chapter was answered, more than 1228 students have viewed the full step-by-step answer. This full solution covers the following key subjects: verify, taking, Car, curve, figure. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The full step-by-step solution to problem: 59PE from chapter: 2 was answered by Sieva Kozinsky, our top Physics solution expert on 03/03/17, 03:53PM. The answer to “(a) By taking the slope of the curve in Figure 2.60, verify that the velocity of the jet car is 115 m/s at t = 20 s . (b) By taking the slope of the curve at any point in Figure 2.61, verify that the jet car’s acceleration is 5.0 m/s2” is broken down into a number of easy to follow steps, and 51 words. Physics: Principles with Applications was written by Sieva Kozinsky and is associated to the ISBN: 9780130606204.

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