I need guidance and help understanding a physics assignment,1 attachmentsSlide 1 of 1

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I need guidance and help understanding a physics assignment,1 attachmentsSlide 1 of 1

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### UNFORMATTED ATTACHMENT PREVIEW

HW2: Kinematics and Trajectories Due 9/16/2021 Graphing: 1) Match the position diagram to the velocity diagram 1) a) 2) b) 3) c) 4) d) e) 5) ￼ 2) Draw a position graph for the following velocity graph. 3) Consider the position vs. time plot shown below. Reference this plot when answering the following questions: a) Describe a scenario in which an object has the motion shown in the plot above. b) Does the object ever have a velocity of 0 m/s? Explain your answer. a) Describe the motion of this object. For example, describe the objects motion from 0 to 1 second, 1 to 2 seconds, etc. b) What is the object’s velocity at time equal to 0s? c) What is the object’s position at time equal to 0s? d) Write an equation that gives the object’s displacement as a function of time (d and t should be your only variables—all others should be numbers you read from the graph). (Hint: use one of the kinematic equations for distance and the two quantities you found in b and c) Using the kinematic equations: Using the kinematic equations you derived in class, solve the following one-dimensional kinematic problems. 1. Taco Joint is about 450 m from PMA. If you walk with a velocity of 3 m/s, how long will it take you to get to Taco Joint from PMA? 2. From rest, a car can accelerate from 0 to 60 mph in 7 s. 1. What is the acceleration of the car in m/s? (Hint: Remember to covert your units.) 2. What is its displacement after 7 s? 3. Now consider a car that is already traveling with a velocity of 14 m/s (at time = 0 s) and accelerates to 32 m/s in 6 s. 1. What is the acceleration of the car? 2. What is its displacement after 6 s? ￼ ￼ 4) An object’s motion is shown in the position vs. time and velocity vs. time plots below. Reference these plots when addressing the following. Science in the news: Please see the science in the news document posted on canvas under files for this portion of the assignment.

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