1. The car is stopped. 2. The car is traveling at a constant speed. 3. The speed of the car is decreasing. 4. The car is coming back. A. В. distance dis tance time time D. С. distance distance time time because Graph A matches description_ because. Graph B matches description_ because Graph C matches description_ because Graph D matches description_

1. The car is stopped. 2. The car is traveling at a constant speed. 3. The speed of the car is decreasing. 4. The car is coming back. A. В. distance dis tance time time D. С. distance distance time time because Graph A matches description_ because. Graph B matches description_ because Graph C matches description_ because Graph D matches description_

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.
I left my house at 7 AM, drove 1100 km and arrived in South Carolina at 6 PM. My speed at 3 PM was: A. unknown, there's not enough info B. 105 km/h, that's the speed limit C. 77 km/h D. 100 km/h
1. What is the speed of the car for the first 2 second? 2. What is happening to the car from 4 to 6 seconds? 3. True or False: the car is accelerating from 2 to 4 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.
One of the most difficult things to learn in physics is that our everyday language is not always precise enough. For instance, we might say a car is “slowing down”, but that only gives us information abouts velocity, not its acceleration. What can we say about the velocity of a car which has negative acceleration in the x-direction? a. It is slowing down. b. The x-component of its velocity is decreasing. c. The x-component of its velocity is negative. d. It is speeding up. e. The x-component of its velocity is positive. f. The x-component of its velocity is increasing.
1. A car is travelling towards the start line and the timer starts timing when the car crosses the start line. When the car crosses the start line, it is travelling at 5 m.s1. The car maintains its speed for 3 seconds then speeds up to 8 m.s1 in 4 seconds. It maintains this speed for 1 second then brakes hard and comes to a rest in 3 seconds. 10 9. 8. 7 3 2 1 0. 0 1 2 3 4 7 8 9 10 11 Time (s) a) What is the instantaneous velocity of the car at t = 7 s? b) What is the displacement? c) What is the average velocity of the car for the journey? 5 4- Velocity (m/s)
4. CHALLENGE PROBLEM. John hopes to finish a 10,000-m run in less than 30.0 for him to reach the speed of 60 m/s? Direction: Solve the following problems. Show your complete solutions legibly a slow-moving dump truck. If he can accelerate at 5 m/s?, how long will it take 3. John is driving his sports car down a four-lane highway at 40 m/s. He overtakes 1. A golf ball rolls up a hill toward a miniature golf hole with a speed of 2.0 m/s and consume at an acceleration of 0.20 m/s² in order to achieve the desired time? min. After 27.0 min, there are still 1100 m to go. How many seconds must he Activity 2.11: One Dimensional Uniformly Accelerated Motion Problems 2. An airplane accelerated uniformly from rest at the rate of 5.0 m/s2 South for slows at a constant rate of 0.50 m/s2. What is its velocity after 2.0 s? 14 s. What final velocity did it attain? and concisely in a separate sheet of paper.
10. The speed of light traveling through air is 3.0×10® m/s, while the speed of sound traveling through air is 3.4×10² m/s. а. If a bolt of lightning strikes 5.5 km away, how much time does it take the flash of lightning to reach you?
2. Frankie and Rosie take a trip in a car from one town to the next. During the trip several different average speeds are driven based on traffic. Frankie drives for 16.4 miles at 22.0 m/s, 14.5 miles at 26.0 m/s, and 30.2 miles at 18.0 m/s. As part of this trip Frankie and Rosie stop to eat dinner at a diner for about 35.0 minutes. Calculate the total time for the entire trip in minutes. o straight portion of a track
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?
An airplane decelerates at a uniform rate of 8.0 m/s2 (a = -8.0 m/s2), until it stops after traveling 483 m. Determine: a. how fast was the plane traveling before it began to decelerate? b. Express your answer in scientific notation and in at least 3 significant figures.
A car travels 250 m/s for 3 seconds. How far did the car travels in 3 seconds? Choose the correct answer withe correct unit. A. 750 miles B. 750 feet. C. 750 mph D. 750 m