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... Chapter 10: Views 287 Introducing Views 287 Creating Views Types of Views 288 290 Table Join Views Base View Row Views Field Views Filtered Windowed Views Summary Views Updating Views Update Restrictions ... Paul Wilton and John W Colby Beginning SQL Beginning SQL Paul Wilton and John W Colby Beginning SQL Published by Wiley Publishing, Inc 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com ... OR WEB SITE MAY PROVIDE OR RECOMMENDATIONS IT MAY MAKE FURTHER, READERS SHOULD BE AWARE THAT INTERNET WEB SITES LISTED IN THIS WORK MAY HAVE CHANGED OR DISAPPEARED BETWEEN WHEN THIS WORK WAS WRITTEN...

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Ngày tải lên: 27/05/2016, 09:47

... Scientists and Engineers with Modern Physics PHYSICS for Scientists and Engineers with Modern Physics Seventh Edition Raymond A Serway Emeritus, James Madison University John W Jewett, Jr California ... manner—without the written permission of the publisher Printed in the United States of America 11 10 09 08 07 ExamView® and ExamView Pro® are registered trademarks of FSCreations, Inc Windows is ... United Kingdom • United States Physics for Scientists and Engineers with Modern Physics, Seventh Edition Raymond A Serway and John W Jewett, Jr Physics Acquisition Editor: Chris Hall Publisher: David...

Ngày tải lên: 05/10/2016, 13:45

... beautiful If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living —Henri Poincaré © Thomson Learning/Charles D Winters To the ... Force 100 Newton’s First Law and Inertial Frames 102 Mass 103 Newton’s Second Law 104 The Gravitational Force and Weight 106 Newton’s Third Law 107 Some Applications of Newton’s Laws 109 Forces ... should slow down What If? What if the driver were from outside the United States and is familiar with speeds measured in km/h? What is the speed of the car in km/h? We can convert our final answer...

Ngày tải lên: 05/10/2016, 13:45

... traveling eastward and slowing down, what is the direction of the force on the car that causes it to slow down? (a) eastward (b) westward (c) neither eastward nor westward vx From now on we shall ... ϭ 6.37 m When a number ends in 5, we arbitrarily choose to write 6.375 m ϭ 6.38 m We could equally well write 6.375 m ϭ 6.37 m, “rounding down” instead of “rounding up,” because we would change ... useful way to make sure that you are obtaining reasonable results • Think about how this problem compared with others you have solved How was it similar? In what critical ways did it differ? Why was...

Ngày tải lên: 05/10/2016, 13:46

... building of height h throws one ball upward with a speed of vi and then throws a second ball downward with the same initial speed |vi| How the final velocities of the balls compare when they reach the ... at the halfway point between window and ground, (b) above this point, or (c) below this point? Problems The Problems from this chapter may be assigned online in WebAssign Sign in at www.thomsonedu.com ... sorority sister, who is in a window 4.00 m above The keys are caught 1.50 s later by the sister’s outstretched hand (a) With what initial velocity were the keys thrown? (b) What was the velocity...

Ngày tải lên: 05/10/2016, 13:46

... much faster What If? What if we wait a very long time and then observe the motion of the particle? How would we describe the motion of the particle for large values of the time? Answer Looking ... thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range d (a) At what angle u is the rock thrown? (b) What If? Would your answer ... in which the pirate labeled the trees as A, B, C, D, and E as shown in the figure What are the coordinates of the point where his treasure is buried? (b) What If? What if you not really know the...

Ngày tải lên: 05/10/2016, 13:47

... AT E G Y Applying Newton’s Laws The following procedure is recommended when dealing with problems involving Newton’s laws: Figure 5.9 When a force F pushes vertically downward on another S object, ... is always thrown with the same initial speed At what angle u should the fielder throw the ball to make it go the same distance D with one bounce (blue path) as a ball thrown upward at 45.0° with ... Newton’s second law ᮤ Another statement of Newton’s first law ᮤ Definition of mass In other words, when no force acts on an object, the acceleration of the object is zero From the first law, we...

Ngày tải lên: 05/10/2016, 13:47

... force with the weight of the electron, which we ignored A woman weighs 120 lb Determine (a) her weight in newtons and (b) her mass in kilograms The distinction between mass and weight was discovered ... against a vertical wall with your hand What is the direction of the friction force exerted by the wall on the book? (a) downward (b) upward (c) out from the wall (d) into the wall F 30Њ Quick Quiz ... object accelerates upward, object accelerates downward Therefore, for consistency with signs, if we define the upward direction as positive for object 1, we must define the downward direction as...

Ngày tải lên: 05/10/2016, 13:48

... Accelerated Frames Newton’s laws of motion, which we introduced in Chapter 5, describe observations that are made in an inertial frame of reference In this section, we analyze how Newton’s laws are applied ... observer, who is in an inertial frame, the ball follows a straight line as it must according to Newton’s first law At t ϭ you throw the ball toward your friend, but by the time tf when the ball has crossed ... pail of water can be whirled in a vertical path such that no water is spilled Why does the water stay in the pail, even when the pail is above your head? Why does a pilot tend to black out when...

Ngày tải lên: 05/10/2016, 13:48

... that when analyzing forces to determine the work they do, we must consider the vector nature of forces We must also S know the displacement ¢ r of the eraser as it moves along the tray if we want ... life in which you pulled an object across the floor with a rope or cord Categorize We are given a force on an object, a displacement of the object, and the angle between the two vectors, so we categorize ... infinitely far away from the Earth We have generated Equation 7.17 by imagining doing work on a particle We could also work on a deformable system, in which parts of the system move with respect...

Ngày tải lên: 05/10/2016, 13:49

... direction S What If? What if the initial velocity vi in part (B) were downward? How would that affect the speed of the ball at position y? Answer You might claim that throwing the ball downward would ... energy into a system: work We mention below a few other ways to transfer energy into or out of a system The details of these processes will be studied in other sections of the book We illustrate mechanisms ... representation of what is happening As you become more proficient working energy problems, you will begin to be comfortable imagining the types of energy that are changing in the system Sign in at www.thomsonedu.com...

Ngày tải lên: 05/10/2016, 13:49

... approach because we not know how much work is done in pulling the bow back or how much potential energy is stored in the bow Nonetheless, we can solve this problem very easily with an approach ... velocity of the arrow What If? What if the arrow were fired in a direction that makes an angle u with the horizontal? How will that change the recoil velocity of the archer? Answer The recoil velocity ... collision between two objects as the result of direct contact (b) The “collision” between two charged particles Sign in at www.thomsonedu.com and go to ThomsonNOW to observe these collisions and watch...

Ngày tải lên: 05/10/2016, 13:50

... another In Figure 9.16, a wrench is from point A and a vertical line AB (which can be established with a plumb bob) is drawn when the wrench has stopped swinging The wrench is then from point ... push off a wall, setting yourself in motion away from the wall How would we describe this event? The force from the wall on your hands moves through no displacement; the force is always located ... in which we use given values in an equation derived in this section The water exits at 600 L/min, which is 60 L/s Knowing that L of water has a mass of kg, we estimate that about 60 kg of water...

Ngày tải lên: 05/10/2016, 13:50

... 10.16 is convenient when we are dealing with rotational motion, provided we know how to calculate I It is important to recognize the analogy between kinetic energy 12mv associated with translational ... tension T? Answer If the wheel becomes infinitely massive, we can imagine that the object of mass m will simply hang from the cord without causing the wheel to rotate We can show that mathematically ... energy as that which exists when the system is released From Active Figure 10.22, we see m2 h h m1 ACTIVE FIGURE 10.22 (Example 10.12) An Atwood machine with a massive pulley Sign in at www.thomsonedu.com...

Ngày tải lên: 05/10/2016, 13:51

... string is pulled forward and upward as shown by B, (c) the string is pulled straight down as shown by C, and (d) the string is pulled forward and downward as shown by D (e) What if the string ... up, the flywheel slows down slightly The bus is equipped with regenerative braking so that the flywheel can speed up when the bus slows down The flywheel is a uniform solid cylinder with mass ... the wheel Rank the following six items from largest to smallest: (a) |at| when v ϭ Ϫ2 rad/s (b)|ar| when v ϭ Ϫ2 rad/s (c) |at| when v ϭ (d) |ar| when v ϭ (e)|at| when v ϭ rad/s (f) |ar| when...

Ngày tải lên: 05/10/2016, 13:52

... points upward and away from the page, so that is the S direction of L Hence, we can write the vectorS expression L ϭ 1mvr2 ˆ k If the particle were to move clockwise, L would point downward and ... distance between them to 5.00 m (c) What is the new angular momentum of the system? (d) What are the astronauts’ new speeds? (e) What is the new rotational energy of the system? (f) How much work does ... distance between them to d/2 (c) What is the new angular momentum of the system? (d) What are the astronauts’ new speeds? (e) What is the new rotational energy of the system? (f) How much work does...

Ngày tải lên: 05/10/2016, 13:52

... castle wall 18 Stephen is pushing his sister Joyce in a wheelbarrow when it is stopped by a brick 8.00 cm high (Fig P12.18) The wheelbarrow handles make an angle of 15.0° below the horizontal A downward ... equilibrium by exerting an upward force U with her leading hand and a downS ward force D with her trailing hand as shown in Figure P12.21 Point C is the center of gravity of the pole What S S are the magnitudes ... N/m2 (a) By what distance will the rod compress the concrete when the original tension in the rod is released? (b) What is the new tension T2 in the rod? (c) The rod will then be how much longer...

Ngày tải lên: 05/10/2016, 13:53