A person rides a bike along a straight road at a constant speed for 5 min, then has a flat tire.They stop for 5 min to repair the flat, but then realize they cannot fix it. They continue theirjourney by walking the rest of the way at a constant speed, which takes them another 10 min.Select a correct, incomplete motion diagram of the man for the entire motion described here.5 11 12 13 14 15 16 17 18 19 20minminminminminmin min min min min min min min min min min•. . . • • • •5 11 12 13 14 15 16 17 18 19 2001 2min min minminminmin min min min min min min min min min min•• • . • • •4 5 11 12 13 14 15 16 17 18 19 20min min min min min min min min min min min min min min23minmin5 11 12 13 14 15 16 17 18 19 2023minmin minminminmin min min min min min min min min min min

Given: The speed of the biker for first 5 min is constant Then he stops at the…

Answered: They stop for 5 min to repair the flat,…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 55AP: A truck tractor pulls two trailers, one behind the other, at a constant speed of 1.00 102 km/h. It...

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I looked at the motion diagram and thought it was representing an object accelerating to the right and getting faster. I thought A and B were right, but my first thought was that C looked like it could be moving to the right and slowing down, could you explain why this is wrong? I tend to get these types of questions wrong.
Let's Apply Part I. Using the table below, make an acceleration vs. time graph and find its slope in a graphing paper. time (s) 2 4 10 12 14 16 18 20 acceleration (m/s) 4 12 16 20 24 28 32 36 40 Part II. From the acceleration vs. time graph that you have made in part 1, find the velocity for the time interval. 8s > t>14 s.
Answer the following table by briefly describing the motion graphs. Tell something about the acceleration, whether it is speeding up or slowing down. 1. 90 80 70 60 50 40 30 20 10 1 2 3 4 5 6 7 Time (s) 2. 100 90 80 70 60 50 40 30 20 10 12 3 4 5 6 7 Time (s) Speed (km/h) Speed (km/h)
The images of trees come from a catalog advertising fast-growing trees. If we mark the position of the top of the tree in the successive years, as shown in the graph in the figure, we obtain a motion diagram much like ones we have seen for other kinds of motion. The motion isn’t steady, of course. In some months the tree grows rapidly; in other months, quite slowly. We can see, though, that the average speed of growth is fairly constant for the first few years. What is the tree’s speed of growth, in feet per year, from t = 1 yr to t = 3 yr?A. 12 ft/yr B. 9 ft/yrC. 6 ft/yr D. 3 ft/yr
The images of trees come from a catalog advertising fast-growing trees. If we mark the position of the top of the tree in the successive years, as shown in the graph in the figure, we obtain a motion diagram much like ones we have seen for other kinds of motion. The motion isn’t steady, of course. In some months the tree grows rapidly; in other months, quite slowly. We can see, though, that the average speed of growth is fairly constant for the first few years. At the end of year 3, a rope is tied to the very top of the tree to steady it. This rope is staked into the ground 15 feet away from the tree. What angle does the rope make with the ground?A. 63° B. 60°C. 30° D. 27°
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A group of students in a science class monitored the movement of a cat walking along with a straight line and recorded the cat's position in five-second intervals.The results are summarized it in the table below. time and position time(s) position (cm) 0 49.0 5 38.0 10 43.0 15 40.0 20 60.0 A. What is the displacement of the cat between t = 5.00 s and t = 20.0 s? B. What is the average velocity of the cat between t = 5.00 s and t = 20.0 s? C.What is the distance the cat traveled between t = 5.00 s and t = 20.0 s?
A runner and a cyclist compete in a race over a straight course 20 km long. The runner runs at a steady speed of 10 m/s toward the finish line. The cyclist zips at a speed of 23 m/s toward the finish line for 12 km but upon seeing that he is already far ahead of the runner, he decides to stop and wait for the runner to catch up to him. The runner eventually reaches the cyclist and continues moving toward the finish line. The cyclist waits for a while after the runner passes and then cycles toward the finish line again at 23m/s. Both the cyclist and the runner cross the finish line in the exact same instant. Assume both of them, when moving, move steadily at their respective speeds. (a) How far is the runner from the finish line when the cyclist resumes the race? (b) For how long in time was the cyclist stationery?
A motorbike moves in a straight path, accelerating uniformly at 3.0 m/s? for 10. s, moving at a constant speed of 30.0 m/s for a farther 20.0 s, and finally decelerating at a constant rate of 2.0 m/s? until coming to rest. Draw a velocity-time graph for this motion and hence determine the total distance travelled during the entire journey. 35 30 20 10 5 5 10 15 20 25 30 35 40 45 TIME Questions: 1. How do you describe your graph? 2. What does the slope of the Velocity time graph represent? Or tell you? 3. What is the total distance travelled by the motorbike? VELOCITY (M/S) 25
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