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A particle poves along the x-axis. Its position as a function of time is given by z (t) =-31+ 2e-翅 The following questions refer to that situation. Only consider times t greater than or equal to zero (no negative values of t). Note Some of the questions ask about the maximum velocity attained, or the maximum x coordinate, etc. Hint: use calculus! A very important application of the derivative is finding the maxima and minima of functions 1 pts D Question 1 At time t -O, is the particle moving in the positive x-direction, the negative x-direction, or is it instantaneously at rest? O its instantaneously at rest O cannot be determined from the information given O its moving in the positive x-direction O its moving in the negative x-direction 1 pts | Question 2 つコ
D Question 2 1 pts At which of the following timesis the particles instantaneous velocity zero? Select ll that are correct. t-osec 回1+4sec D t- 2 sec t 1 sec D t
| Ogradestor Carla Delga × T O Quiz: Homework 1 Part G search Textbooks! Che × X , architecture, Googe x nstructure.com/courses/18919/quizzes/57697/take O t- 2 sec | Question 4 1 pts What is the particles maximum positive x-velocity? O 2 m/s 1 m/s 3 m/s Φ omis D 4 m/s 1 pts 1 Question 5 Which of the following graphs could represent the particles x velocity as a function of time? There may be more than one correct answer: select all that are correct Vx (A) V (B)
D Question 6 1 pts What is the maximum value of x attained by the particle? 0-1m 3m e1 m 1 pts Question 7 For times t between t-O and t -3 s, what is the minimum value of x attained by the particle?
O 1m 0 2m D Question 7 1 pts For times t between t- 0 and t 3 s, what is the minimum value of x attained by the particle? 0-1m O 1m in 04/3m 0-2/3 m 1 pts D | Question 8 At what time or times does the particle attain its maximum value of x? Select all that are correct.
O -4/3 m O 2/3 m 0-2/3 m O 4/3m Question 8 1 pts At what time or times does the particle attain its maximum value of x? Select all that are correct 35 1 pts D Question 9 What is the particles x-velocity when it reaches its maximum K coordina 3 m/s
Question 9 1 pts What is the particles x-velocity when it reaches its maximum x coordinate? 3 m/s O 1 m/s 3 m/s O 2 m/s -1 m/s e-2 m/s 1 pts Question 10 ? There may be more than one
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