3. The graph on the left below shows the position of an object vs. time. a. Sketch a graph of velocity vs. time for the same object on a graph similar to the one on the right. 50 10 40 30 Time (s) 20 10 -10 5. 10 15 20 5. 10 15 20 Time (s) b. Using your velocity vs. time graph, calculate the displacement for each 5-second segment. Use your position vs. time graph to check your answers. position (m)

3. The graph on the left below shows the position of an object vs. time. a. Sketch a graph of velocity vs. time for the same object on a graph similar to the one on the right. 50 10 40 30 Time (s) 20 10 -10 5. 10 15 20 5. 10 15 20 Time (s) b. Using your velocity vs. time graph, calculate the displacement for each 5-second segment. Use your position vs. time graph to check your answers. position (m)

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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6. A train is moving with a constant speed. The train moves 60 meters for every 1.5 seconds that elapses. a. Assume that we get 40 by dividing 60 by 1.5. What is the name that is commonly given to a quantity represented by this number 40? b. To denote the quantity completely, what additional information must be given besides the number 40? c. How would you interpret the number 40 in this instance? Your answer should mention distance and time. d. Use your interpretation (not algebra) to find the distance the train moves in 2.5 seconds.
You measure the motion of a dynamics cart using a motion sensor. You then plot the cart’s position vs. time and velocity vs. time. The best way of finding the average acceleration of the cart is to find: a. the y-intercept of the position vs. time plot. b. the y-intercept of the velocity vs. time plot. c. the slope of the position vs. time plot d. the slope of the velocity vs. time plot. e. none of the above
1.The motion of an athletic mouse is shown in the graph below. Use the graph to answer the following questions. (a) Total distance travelled. (b) Total displacement (c) Average speed (d) Average velocity 2. Sketch the corresponding velocity-time graph for the given position time graph. Make sure to CLEARLY indicate values for key points on the graph.
An object moves in one dimension, and its velocity versus time is shown in the graph. Express your answers in m/s2. A. What is the average acceleration between the times 0 s and 20 s? B. What is the average acceleration between the times 20 s and 50 s? C. What is the average acceleration between the times 50 s and 70 s? D. What is the average acceleration between the times 0 s and 100 s?
A cat walks in a straight line, which we shall call the -axis, with the positive direction to the right. As an observant physicist, you make measurements of this cat's motion and construct a graph of the feline's velocity as a function of time (Figure 1). I. Calculate the area under the graph between t = 0 and t = 6.0 s. (Express your answer to two significant figures and include the appropriate units.) II. For the time interval t = 0 to t = 6.0 s, what is the magnitude of the average velocity of the cat? (Express your answer to two significant figures and include the appropriate units.) III. Use constant-acceleration equations to calculate the distance the cat travels in this time interval. (Express your answer to two significant figures and include the appropriate units.)
The figure shows the speedometer readings as a car drives down a straightroad. (attached) a. What is the acceleration at t = 8.0s. b. What is the change in the cars speed from 5-10 seconds? c. What distance is traveled by the car between t = 0 and t = 4 s d. Draw a graph of the acceleration for the cars motion between t=0s and t=14s
a. Draw the velocity graphs of Vy and Vx as a function of time. b.Draw x and y component of the position as a function of time. c. how long does it take for the rock to hit the ground? d. what is distance X where the rock hits the ground from the base of the vertical cliff?
3. A body moves in a straight line according to this equation of motion: s(t) = 10t² - 4t + 8, where t is measured in seconds and s in meters. a. What is its position at the end of 5 sec? b. What is the equation for its velocity v at any time t? c. What is its velocity v at the end of 5 seconds? d. What is the equation for its acceleration a at any time t? e. What is its acceleration at the end of 5 seconds?
As a train accelerates uniformly it passes successive 850 meter marks while traveling at velocities 1.5 m/s and then 15 m/s. a. For the first mark of the journey, what is the acceleration of the train in m/s sq? b. Determine the train's velocity when it passes the next mark in m/s. c. Determine the time it takes to travel the 1.7-km distance in seconds.
Suppose that critters are discovered on Mars that measure distance in boogles and time in bops. A. What would units of speed be in this system? Explain. B. What would units of velocity be in this system? Explain. C. What would units of acceleration be in this system? Explain.
2. It's Friday, and a physics student slowly walks towards the back of class at 1 m/s for 9 sto leave for the weekend. She suddenly realizes that she forgot her backpack under her chair in the front row, and runs back to her seat at 3 m/s to get it. Then she quickly walks at 2 m/s out the back door to catch her bus. A. Draw a motion diagram for this student. B. Carefully graph the position-vs-time for this student. C. Carefully graph the velocity-vs-time for this student.
4. A jogger warms up by running 350 meters east at an average speed of 3.8 m/s, then running west 240 meters at an average speed of 4.2 m/s. a. How much time does the first part of the trip take? b. How much time does the second part of the trip take? c. How long does the entire trip take? d. What is the total distance for the entire trip? e. What is the magnitude of the jogger's displacement for the entire trip? f. What is the average speed for the entire trip? g. What is the magnitude of the jogger's average velocity for the entire trip?