College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 4, Problem 3P
* Determine the x- and y-components of each displacement shown in Figure P4.3.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
You may want to review (Pages 12 - 16)
For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Tossed ball.
Part A
Figure shows two dots of a motion diagram and vector v1. Draw the vector vz if the acceleration vector a at dot 2 points up.
Draw the vector with its tail at the dot 2. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded.
No elements selected
Select the elements from the list and add them to the canvas setting the appropriate attributes.
A stuntman tries to jump from a ledge over an 8 m gap onto a mattress that is 3 m below the current position. To do so, the stuntman runs to the edge of the ledge at a constant speed and leaps off in the horizontal direction with this speed. Describe your strategy to find the minimum speed with which the stuntman needs to run to land on the mattress
Group of answer choices
a) Find t from the vertical position equation. With this t, solve horizontal position equation to obtain v_initial
b) Find t from the vertical velocity equation. With this t, solve horizontal position equation to obtain v_initial.
c) Find t from the vertical velocity equation. With this t, solve horizontal velocity equation to obtain v_initial.
d) Find t from the vertical position equation. With this t, solve horizontal velocity equation to obtain v_initial
1.A leaf falls to the ground with constant speed. Is Uf+Ki for this system greater than, less than, or the same as Ui+Kffor this system? Draw and Explain.
Chapter 4 Solutions
College Physics
Ch. 4 - Review Question 4.1 When does a vector have a...Ch. 4 - Review Question 4.2 The x- and y-components of...Ch. 4 - Review Question 4.3 What is the force of friction...Ch. 4 - Review Question 4.4 For problems involving objects...Ch. 4 - Review Question 4.5 Why do we need to resolve the...Ch. 4 - Review Question 4.6
You read in this section that...Ch. 4 - 1. A car accelerates along a road. Identify the...Ch. 4 - 2. A person pushes a 10-kg crate exerting a 200-N...Ch. 4 - Compare the ease of pulling a lawn mower and...Ch. 4 - 4. You simultaneously release two balls: one you...
Ch. 4 - You shoot an arrow with a bow. The following is...Ch. 4 - In what reference frame does a projectile launched...Ch. 4 - In Table 4.6 we found that the two balls touched...Ch. 4 - 8. While running at constant velocity, how should...Ch. 4 - 9. You hold a block on a horizontal, frictionless...Ch. 4 - 10. In the process described in the previous...Ch. 4 - Suppose that two blocks are positioned on an...Ch. 4 - 12. A box containing some stones is resting on a...Ch. 4 - For the following two questions, the answer...Ch. 4 - 14. A block is resting on a rough inclined...Ch. 4 -
15. A box with a heavy television set in it...Ch. 4 - 16. How can an Atwood machine be used to determine...Ch. 4 - 17. Your friend is on Rollerblades holding a...Ch. 4 - Explain why a car starts skidding when a driver...Ch. 4 - 19. Explain why old tires need to be replaced.
Ch. 4 - 20. Explain how friction helps you to walk.
Ch. 4 - 21. Explain why you might fall forward when you...Ch. 4 - Explain why you might fall backward when you slip.Ch. 4 - Explain why the tires of your car can spin out...Ch. 4 - You throw two identical balls simultaneously at...Ch. 4 - 25. Your friend says that the vertical force...Ch. 4 - Your friend says that a projectile launched at an...Ch. 4 - An object of mass m1 placed on an inclined plane...Ch. 4 - 28 An object of mass m1 placed on an inclined...Ch. 4 - 29. A horse is pulling a sled. If the force...Ch. 4 - 30. If you kick a block so that it starts moving...Ch. 4 - Determine the x- and y-components of each force...Ch. 4 - 2. Determine the x- and y-components of each force...Ch. 4 - * Determine the x- and y-components of each...Ch. 4 - 4 * The x- and y-components of several unknown...Ch. 4 - * The x- and y-scalar components of several...Ch. 4 - 6. * Three ropes pull on a knot shown in Figure...Ch. 4 - * Figure P4.7 shows an unlabeled force diagram for...Ch. 4 - For each of the following situations, draw the...Ch. 4 - * Write Newtons second law in component form for...Ch. 4 - For the situations described here, construct a...Ch. 4 - * Write Newtons second law in component form for...Ch. 4 - Apply Newtons second law in component form for the...Ch. 4 - Apply Newtons second law in component form for the...Ch. 4 - 14. * Equation Jeopardy 1 The three sets of...Ch. 4 - * You exert a force of 100 N on a rope that pulls...Ch. 4 - 16. * You exert a force of a known magnitude F on...Ch. 4 - * Olympic 100-m dash start At the start of his...Ch. 4 - 18. * Your own accelerometer A train has an...Ch. 4 - * EST Finn and Hazel are using a battery-powered...Ch. 4 - A 91.0-kg refrigerator sits on the floor. The...Ch. 4 - A 60-kg student sitting on a hardwood floor does...Ch. 4 - Car stopping distance and friction A car traveling...Ch. 4 - 23. * A 50-kg box rests on the floor. The...Ch. 4 - 24. * Marsha is pushing down and to the right on a...Ch. 4 - * You want to determine the coefficient of kinetic...Ch. 4 - * A wagon is accelerating to the right. A book is...Ch. 4 - s. Determine an expression for the minimum...Ch. 4 - * A car has a mass of 1520 kg. While traveling at...Ch. 4 - m/s2 when pulled by a rope exerting a 120-N force...Ch. 4 - 30. ** A crate of mass m sitting on a horizontal...Ch. 4 - * EST You absentmindedly leave your book bag on...Ch. 4 - 32. * Block 1 is on a horizontal surface with a...Ch. 4 - 33. * You want to use a rope to pull a 10-kg box...Ch. 4 - 34. * A car with its wheels locked rests on a...Ch. 4 - 35. Olympic skier Olympic skier Tina Maze skis...Ch. 4 - * Another Olympic skier Bode Miller. 80-kg...Ch. 4 - * A book slides off a desk that is tilted 15...Ch. 4 - * Helge, Steve, and Heidi are sitting on a sled on...Ch. 4 - 40. * When traveling on an airplane you get meals...Ch. 4 - 41. Skier A 52-kg skier starts at rest and slides...Ch. 4 - 42. * Ski rope tow You agree to build a backyard...Ch. 4 - 43. * Soapbox racecar A soapbox derby racecar...Ch. 4 - 44. * A person is pushing two carts that are...Ch. 4 - 45. * BIO Whiplash Experience A car sitting at...Ch. 4 - Iditarod race practice The dogs of four-time...Ch. 4 - angle above the horizontal. The other end of the...Ch. 4 - * Rope 1 pulls horizontally, exerting a force of...Ch. 4 - * Three sleds of masses m1,m2,m3 are on a smooth...Ch. 4 - 50. ** Repeat Problem 4.49 , only this time with...Ch. 4 - 51. * A skier is moving down a snowy hill with an...Ch. 4 - ** A person holds a 200-g block that is connected...Ch. 4 - 53. ** Two blocks of masses are connected to each...Ch. 4 - 54. ** The 20-kg block shown in Figure P4.54 ...Ch. 4 - * A squirrel jumps of a roof in the horizontal...Ch. 4 - * A frog jumps at an angle 30 above the...Ch. 4 - 57. A bowling ball rolls off a table. Draw a force...Ch. 4 - 58 * A tennis ball is served from the back line of...Ch. 4 - 59. * Equation Jeopardy 3 The equations below...Ch. 4 - 60 * EST An airplane is delivering food to a small...Ch. 4 - A ball moves in an arc through the air (see Figure...Ch. 4 - A marble is thrown as a projectile at an angle...Ch. 4 - 63 * Marbles are exiting a container through a...Ch. 4 - * Robbie Knievel ride On May 20, 1999, Robbie...Ch. 4 - 65. * Daring Darless wishes to cross the Grand...Ch. 4 - * A football punter wants to kick the ball so that...Ch. 4 - 67. * If you shoot a cannonball from the same...Ch. 4 - 68. When you actually perform the experiment...Ch. 4 - 69. * You can shoot an arrow straight up so that...Ch. 4 - 70. * Robin Hood wishes to split an arrow already...Ch. 4 - 71. * Three force diagrams for a car on a road are...Ch. 4 - * A minivan of mass 1560 kg starts at rest and...Ch. 4 - 74. * Emily pulls a 5-kg block across a rough...Ch. 4 - 75. * EST You abruptly push a 1.7-kg book along a...Ch. 4 - 76 ** EST In the situation of Problem 4.75,...Ch. 4 - 78. * Two blocks of masses and hang at the ends...Ch. 4 - 79. * A 3.5-kg object placed on an Inclined plane...Ch. 4 - above the horizontal) is connected by a string...Ch. 4 - above the horizontal) is connected by a string...Ch. 4 - 82 ** You are driving at a reasonable constant...Ch. 4 - 84. * In the situation of Problem 2.71 (Chapter 2...Ch. 4 - 87. * Your friend has a pie on the roof of his...Ch. 4 - * A ledge on a building is 20 m above the ground....Ch. 4 - 89. * You are hired to devise a method to...Ch. 4 - The mass of a spacecraft is about 480 kg. An...Ch. 4 - incline When she reaches the level floor at the...Ch. 4 - * Tell all A sled starts at the top of the hill...Ch. 4 - Professor tests airplane takeoff speed D. A....Ch. 4 - Professor tests airplane takeoff speed D A Wardle,...Ch. 4 - Professor tests airplane takeoff speed D A Wardle,...Ch. 4 - Professor tests airplane takeoff speed D. A....Ch. 4 - Choose the best velocity-versus-time graph below...Ch. 4 - Ski jumping in Vancouver The 2010 Olympic ski...Ch. 4 - Ski jumping in Vancouver The 2010 Olympic ski...Ch. 4 - Ski jumping in Vancouver The 2010 Olympic ski...Ch. 4 - Assume that the skier left the ramp moving...Ch. 4 - Ski jumping in Vancouver The 2010 Olympic ski...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Show that the rate of change of your weight is
If you are travelling directly away from Earth at constant spe...
Physics for Scientists and Engineers with Modern Physics
3. A proton traveling at 3 60 km/s suddenly enters a uniform magnetic field of 0.750 T. traveling at an angle o...
College Physics (10th Edition)
Write each number in scientific notation.
1. 326
Applied Physics (11th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
42. A bicycle wheel is rotating at 50 rpm when the cyclist begins to
pedal harder, giving the wheel a constant...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A ball is thrown at an angle of 25° above the horizontal and it reaches a maximum height of 2.9 m. a.) What is the vertical component of the ball's initial velocity? b.) What is the magnitude of the ball's initial velocity?arrow_forward1. Rearrange the expression (y = 1/2 gt2) to obtain an expression for time t. 2. Going back to the knowledge of kinematics, write an expression for the range of the projectile (∆x = xf - x0 =x) in terms of the initial horizontal velocity v and time t. 3. Use the results in (1) and (2) to find an expression for the velocity of efflux v in terms of x, y, and g.arrow_forwardA The spiral is an example of a mathematical form appearing in nature, from the visible construction of seashells, pinecones, and galaxies to the movement behavior of certain animals. The position of a hungry animal that moves outward along a spiral path, searching for food, can be written as r(t)=Atcos(t)i+Atsin(t)j. Write an expression for the velocity of the animal in component form.arrow_forward
- CASE STUDY Imagine an indoor tennis court on a cruise ship moving at constant velocity. Assume the court is oriented so that one player faces the bow (forward) and the other the stem (backward). Does one player have an advantage over the other? If so, which one? Explain your answers.arrow_forwardIn Chapter 5, you will study a very important vector, force. Each case in Figure P3.13 shows an example of force vectors exerted on an object. These forces are all of the same magnitude F0. Assume that the forces lie in the plane of the paper. Rank the cases from greatest to smallest according to the magnitude of the total force. Note: The total force is the vector sum of the individual forces exerted on the object.arrow_forwardFigure P4.8 shows the motion diagram of two balls, one on the left and one on the right. Each ball starts at a point labeled i. The ball on the left is released and falls straight down. At the same time, the ball on the right is launched horizontally and follows the path shown. a. Use the given coordinate system to write the position of points i, C, E, G, and K in component form for each ball. b. Find the displacement of each ball from i to points C, E, G, and K. c. Compare your answers for the two balls in part (b). What similarities do you notice? FIGURE P4.8 Problems 8 and 26.arrow_forward
- A velocity vector has a magnitude of 720 m/s. Two students draw arrows representing this vector. Clarisse chooses a scale such that 1 cm 100 m/s. a. What is the length of the arrow that Clarisse draws? b. Francoiss arrow is half as long as Clarisses. What is Francoiss scale? c. Is one students choice better than the other? If so, what makes it a better scale?arrow_forwardFigure P3.60 illustrates the difference in proportions between the male (m) and female (f) anatomies. The displacements d1m. and d1f from the bottom of the feet to the navel have magnitudes of 104 cm and 84.0 cm, respectively. The displacements d2m and d2f have magnitudes of 50.0 cm and 43.0 cm, respectively. (a) Find the vector sum of the displacements dd1 and dd2 in each case. (b) The male figure is 180 cm tall, the female 168 cm. Normalize the displacements of each figure to a common height of 200 cm and re-form the vector sums as in part (a). Then find the vector difference between the two sums. Figure P3.60arrow_forwardTwo-dimensional motion Consider the motion of the following objects. Assume the x-axis is horizontal, the positive y-axis is vertical, the ground is horizontal, and only the gravitational force acts on the object.a. Find the velocity and position vectors, for t ≥ 0.b. Graph the trajectory.c. Determine the time of flight and range of the object.d. Determine the maximum height of the object. A rock is thrown from the edge of a vertical cliff 40 m above the ground at an angle of 45° above the horizontal with a speed of 10√2 m/s. Assume the origin is at the foot of the cliff.arrow_forward
- A child travels down a water slide , leaving it with a velocity of 4.2 m/s horizontally . The child then experiences projectile motion , landing in a swimming pool 3.2 m below the slide. a For how long is the child airborne time for which child remain in the air) b Determine the child's horizontal displacement while in the air Determine the child's velocity upon entering the water.arrow_forwardIf the stone had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, then compare their impact velocities. a)The impact velocity when throwing a stone above horizontal will be more than the case when throwing a stone below horizontal. b The impact velocities of the two situations will be the same. c More information is needed to conclude the relative strength of impact velocities. d).The impact velocity when throwing a stone above horizontal will be less than the case when throwing a stone below horizontal. which option is correctarrow_forwardScenario: A landing party on the Moon discovers that the acceleration due to lunar gravity is g=1.6 ms2. An object is projected on the surface of the Moon in such a way as to provide an initial vertical component of velocity of 24 m/s, and a horizontal component of 32 m/s. *Reminder that a projectile is an object moving freely under the influence of gravity alone. Procedure: Answer the following questions using your knowledge of projectile motion. a. What is the initial velocity, vo, of the object? b. How long will the object remain in flight? (assume surface is flat) c. How high will the object go? d. How far will the object travel?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Newton's First Law of Motion: Mass and Inertia; Author: Professor Dave explains;https://www.youtube.com/watch?v=1XSyyjcEHo0;License: Standard YouTube License, CC-BY