College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Practice problem 2.2
What is the cheetahs average speed over (a) the first second of the attack and (b). The first two seconds of the attack? Answers (a) 5.00m/s (b) 10.0 m/s
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- Learning Goal: (Figure 1) In this problem you will determine the average velocity of a moving object from the graph of its position (t) as a function of time t. A traveling object might move at different speeds and in different directions during an interval of time, but if we ask at what constant velocity the object would have to travel to achieve the same displacement over the given time interval, that is what we call the object's average velocity. We will use the notation Vave [t1, t2] to indicate average velocity over the time interval from t₁ to t₂. For instance, Vave ve[1, 3] is the average velocity over the time interval from t = 1 to t = 3. Figure x (meters) 60+ 40- 20- 0 4 t (seconds) 1 of 1arrow_forwardHelp me with that please last 2 parts pleasearrow_forwardplease solve ; 4.4arrow_forward
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