3. The graph below shows the displacement vs time of a student leaving the NSCI 110after physics class walking towards the cafeteria for lunch (assume a 1-D motion) Atsome point between NSCI 110 and the cafeteria, the student realizes they have lefttheir cell phone in the classroom, so they turn back to get it.Displacement vs Time120100nol Velocity vs Time801.5604030609012015018021020-1.5306090120150180210Time (s)a. How far did the student walk before realizing that they left their cell phone in theclassroom? How long did this take? (2 marks)b. With what velocity did the student walk back to the classroom? (2 marks)c. Fill out the velocity vs time graph above. (2 marks)Distance (m)

Answered: 3. The graph below shows the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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1.A conductor in a train travelling at 4.0 m/s (N) walks across the train at 1.2 m/s (E) to validate a ticket. If the trian car is 4.0m wide, how long does it take the conductor to reach the other side? vog=? vom 1.2 m/s(E) (1.2/4.2) vmg= 4.0 m/s(N) vog 4.2m/s(N17E) Ad At = Δυ At = 3.3s vom=5m/s(W) vmg=11m/s(S = 12m/s = vog vom+vmg -5m/s (W)+ 11m/s(S) = sqrt (5m/s)^2+ (1m/s)^2 sin 90 12m/s 4.0m/s 1.2m/s 2. A jetski speeds across a river at 11 m/s relative to the water. The jet ski's heading is South. The river is flowing West at 5m/s. Determine the jet ski's velocity relative to the shore. vog=? = vog vom+vmg sin 0 5m/s = 1.2m/s(E) + 4.0m/s(N) =sqrt (1.2m/s)^2 + (4.0m/s)^2 =4.2 m/s = 24° Therefore the answer is 12m/s (S24W) Tan-1= = 17
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Time Position Velocity 0 0 0.05 0.08 1.6 0.1 0.17 1.7 0.15 0.26 1.73333333 0.2 0.35 1.75 0.25 0.459 1.836 0.3 0.59 1.96666667 0.35 0.73 2.08571429 0.38 0.9144 2.40631579 Velocity vs time What is the acceleration of the ball independently for each component of the motion as a function of time? What is the acceleration of the ball for: When it is thrown When it is caught/lands Magnitude at its highest point? What are the Launch Velocity and velocity of the highest point for the velocity vs time graph? Is this value reasonable?
2. A spaceship in a videogame is programmed to move following the quantities below where velocity v is in m/s, time t is in seconds, and position vector r is in meters. The spaceship moves at constant acceleration in both axes. The spaceship starts moving from the position (5,-3). f (2t + 5)i + (t- 3)j V = 2ti + (2 + t)j (a) At what position will the spaceship be after 3.5 seconds. (Ans: (17, -2.5)) (b) What will be the velocity of the spaceship at moment it reaches 18.0 m in the x-axis? Express the answer in unit-vector form. (Ans: V = 81 + 4j) %3D
1. Suppose that the velocity of a particle in motion is given by v(t) = 44t² +²+1 feet per second, where t is in seconds from now. Find the position of the particle after 5 seconds.

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