You are following a car on the interstate, both moving 30 m/s together. The other car starts to brake at 3 m/s2. You react 1.5 seconds later. 1. First, circle the known quantities based on the problem statement: (a) Ar, your displacement relative to the other car (b) v₁, your initial velocity relative to the other car (c) vy, Your velocity relative to the other car after some time (d) a, your acceleration relative to the other car (e) At, Change in time 2. By the time you react 1.5 seconds later, how much faster than the other car are you moving? Credit given for process, as the answer is given in the next problem. 3. By the time you react 1.5 seconds later, how much closer to the other car are you than you were before?

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Chapter1: Units, Trigonometry. And Vectors
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17. 1D Kinematics
You are following a car on the interstate, both moving 30 m/s together. The other car starts to
brake at 3 m/s². You react 1.5 seconds later.
1. First, circle the known quantities based on the problem statement:
(a) Az, your displacement relative to the other car
(b) v₁., your initial velocity relative to the other car
(c) vj, Your velocity relative to the other car after some time
(d) a, your acceleration relative to the other car
(e) At, Change in time
2. By the time you react 1.5 seconds later, how much faster than the other car are you moving?
Credit given for process, as the answer is given in the next problem.
3. By the time you react 1.5 seconds later, how much closer to the other car are you than you
were before?
MacBook Pro
Transcribed Image Text:17. 1D Kinematics You are following a car on the interstate, both moving 30 m/s together. The other car starts to brake at 3 m/s². You react 1.5 seconds later. 1. First, circle the known quantities based on the problem statement: (a) Az, your displacement relative to the other car (b) v₁., your initial velocity relative to the other car (c) vj, Your velocity relative to the other car after some time (d) a, your acceleration relative to the other car (e) At, Change in time 2. By the time you react 1.5 seconds later, how much faster than the other car are you moving? Credit given for process, as the answer is given in the next problem. 3. By the time you react 1.5 seconds later, how much closer to the other car are you than you were before? MacBook Pro
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