Position 0 Time 1. Which best summarizes the motion of this position-time graph? a. Deceleration, change direction, acceleration, change direction, constant velocity, change direction b. Deceleration, constant velocity, stop, constant velocity, stop, acceleration c. Constant velocity, deceleration, change direction, acceleration, constant velocity, stop, constant velocity d. Constant velocity, deceleration, acceleration, constant velocity, stop, acceleration 2. What happens to the horizontal component of a projectile's velocity as it travels through its trajectory? a. It increases. b. It decreases. c. It remains constant. d. It accelerates by 9.8m/s² 3. Two forces act on an object: 10 N to the left and 15 N to the right. Which of the following statements about the net force and motion of the object is correct? a. The net force is 5 N to the left, and the object accelerates left. b. The net force is 5 N to the right, and the object accelerates right. C. The net force is zero, and the object remains at rest. d. The net force is 25 N and the object moves at a constant velocity

Position 0 Time 1. Which best summarizes the motion of this position-time graph? a. Deceleration, change direction, acceleration, change direction, constant velocity, change direction b. Deceleration, constant velocity, stop, constant velocity, stop, acceleration c. Constant velocity, deceleration, change direction, acceleration, constant velocity, stop, constant velocity d. Constant velocity, deceleration, acceleration, constant velocity, stop, acceleration 2. What happens to the horizontal component of a projectile's velocity as it travels through its trajectory? a. It increases. b. It decreases. c. It remains constant. d. It accelerates by 9.8m/s² 3. Two forces act on an object: 10 N to the left and 15 N to the right. Which of the following statements about the net force and motion of the object is correct? a. The net force is 5 N to the left, and the object accelerates left. b. The net force is 5 N to the right, and the object accelerates right. C. The net force is zero, and the object remains at rest. d. The net force is 25 N and the object moves at a constant velocity

Name: Position0Time1. Which best summarizes the motion of this position-tim
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Description: Position0Time1. Which best summarizes the motion of this position-time graph?a. Deceleration, change direction, acceleration, change direction, constantvelocity, change directionb. Deceleration, constant velocity, stop, constant velocity, stop, acce

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2.37P: A speedboat travels in a straight line and increases in speed uniformly from i = 20.0 m/s to f =...

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A student drives a moped along a straight road as described by the velocity-versus-time graph in Figure P2.12. Sketch this graph in the middle of a sheet of graph paper. (a) Directly above your graph, sketch a graph of the position versus time, aligning the time coordinates of the two graphs. (b) Sketch a graph of the acceleration versus time directly below the velocity-versus-time graph, again aligning the time coordinates. On each graph, show the numerical values of x and ax for all points of inflection. (c) What is the acceleration at t = 6.00 s? (d) Find the position (relative to the starting point) at t = 6.00 s. (e) What is the mopeds final position at t = 9.00 s? Figure P2.12
A motorist drives for 35.0 minutes at 85.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130. Km in 2.00 h. (a) What is his total displacement? (b) What is his average velocity?
A speedboat travels in a straight line and increases in speed uniformly from i = 20.0 m/s to f = 30.0 m/s in displacement x of 200 m. We wish to find the time interval required for the boat to move through this displacement, (a) Draw a coordinate system for this situation, (b) What analysis model is most appropriate for describing this situation? (c) From the analysis model, what equation is most appropriate for finding the acceleration of the speedboat? (d) Solve the equation selected in part (c) symbolically for the boats acceleration in terms of i, f, and x. (e) Substitute numerical values lo obtain the acceleration numerically. (f) Find the time interval mentioned above.
A motorist drives for 35.0 minutes at 85.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130. Km in 2.00 h. (a) What is his total displacement? (b) What is his average velocity?
7. An elevator in a high-rise building goes up and down at the same speed. Starting at the ground floor, Rafael and Monica ride up five floors, a vertical rise of 20 m. The elevator stops for 10 s as Monica gets off. Rafael then goes back down two floors. Rafael's entire trip takes 24 s. Take the origin to be at the ground floor. a. Sketch the position vs time graph b. Sketch the velocity vs time graph 8. This is the velocity-versus-time graph for an object moving v, (m/s) along the x-axis. a. During which segment(s) is the velocity constant? b. During which segment(s) is the object speeding up? c. During which segment(s) is the object slowing 3- A 2- 1- B (s) 10 down? 3 4 5 6 8 -1 d. During which segment(s) is the object standing still? C -2- D e. During which segment(s) is the object moving to the right (in the positive x-direction)? -3-
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a (m/s*) B. Acceleration-Time Graph 1. A sailboat is sailing in a straight line with a velocity of 10 m/s. Then at time 1= 0 s, a stiff wind blows causing the sailboat to accelerate as seen 3+ in the diagram below. What is the velocity of the sailboat after the wind has blown for 7 seconds? Show + →t(s) 3 4. 6. your solution and answer below. -1+ -2+
1. The motion graph shown below was created by a toy train which start from rest at the origin. Acceleration vs. Time 6 4 Series1 20 25 30 10 15 -2 -3 -4 Time(s) a. What is the average acceleration of the train? b. Draw the velocity-vs-time graph for the train. c. Draw the position-vs-time graph for the train. Acceleration (m/s^2) 5.
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The car moves on a very long straight highway at an initial velocity of 2.0m/s when it started to accelerate at a rate of 1.5m/s2. When the car reaches a diplacement of 1km, it started to decelerate at constant rate until it stop. A. What is the car's final velocity (assumed that the car directs in a constant direction) before it started to decelerate (slow down)? B. What is the car's deceleration?
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