6 raymond a serway, john w jewett physics for scientists and engineers with modern physics 37

... Pomona Australia • Brazil • Canada • Mexico • Singapore • Spain • United Kingdom • United States Physics for Scientists and Engineers with Modern Physics, Seventh Edition Raymond A Serway and John ... Engineers with Modern Physics PHYSICS for Scientists and Engineers with Modern Physics Seventh Edition Raymond A Serway Emeritus, James Madison U...

Ngày tải lên: 05/10/2016, 13:45

... 12.3 Chapter 14 Fluid Mechanics 362 Newton’s Law of Universal Gravitation 363 Free-Fall Acceleration and the Gravitational Force 365 Kepler’s Laws and the Motion of Planets 367 The Gravitational ... now easier to assign online homework with Serway and Jewett and Enhanced WebAssign All worked examples, end-of-chapter problems, active figures, quick quizzes, and most questions are...

Ngày tải lên: 05/10/2016, 13:45

... that causes it to slow down? (a) eastward (b) westward (c) neither eastward nor westward vx From now on we shall use the term acceleration to mean instantaneous acceleration When we mean average ... tan a Ϸ sin a Ϸ a ϭ pa¿ 180° where a is in radians and a is in degrees Use a calculator to find the largest angle for which tan a may be approximated by a with an error less t...

Ngày tải lên: 05/10/2016, 13:46

... and constant acceleration zero (a) At what time, if any, the two cars have equal speeds? (b) What are their speeds at that time? (c) At what time(s), if any, the cars pass each other? (d) What ... Constant Acceleration 19 ⅷ Assume a parcel of air in a straight tube moves with a constant acceleration of Ϫ4.00 m/s2 and has a velocity of 13.0 m/s at 10:05:00 a. m on a certain da...

Ngày tải lên: 05/10/2016, 13:46

... (Example 4.7) (a) A car passes over a rise that S is shaped like a circle (b) The total acceleration vector a is S the sum of the tangential and radial acceleration vectors at S and ar The radial ... of two independent motions in the x and y directions, with accelerations ax and ay Projectile motion can also be handled in this way, with zero acceleration in the x direction...

Ngày tải lên: 05/10/2016, 13:47

... bottom half of a parabola with its vertex at the edge of the road and with the equation y2 ϭ 16x, where x and y are measured in meters What are the x and y coordinates of the melon when it splatters ... Third Law 5.2 Newton’s First Law and Inertial Frames 5.7 Some Applications of Newton’s Laws 5.3 Mass 5.8 Forces of Friction 5.4 Newton’s Second Law 5.5 The Gravitational Force a...

Ngày tải lên: 05/10/2016, 13:47

... moving away from her hand because the ball feels an upward “force of the throw” as well as the gravitational force (a) Can the “force of the throw” exceed the gravitational force? How would the ball ... reading on the scale vary now? 16 (a) Can a normal force be horizontal? (b) Can a normal force be directed vertically downward? (c) Consider a tennis ball in contact with a stationa...

Ngày tải lên: 05/10/2016, 13:48

... Newton’s Laws also decreases Eventually, the upward resistive force and the downward gravitational force balance each other and a much smaller terminal speed is reached, permitting a safe landing ... force diagram 6. 4 (a) The basketball, having a larger cross-sectional area, will have a larger force due to air resistance than the baseball, which will result in a smaller downwa...

Ngày tải lên: 05/10/2016, 13:48

... book with varying speeds and watch the energy transformation on an active energy bar chart 182 Chapter Energy of a System within the system—that is, between the book and the surface—as a transformation ... motion, eventually making it swing enough that he can reach a ledge when the rope makes a 60 .0° angle with the vertical How much work was done by the gravitational force...

Ngày tải lên: 05/10/2016, 13:49

... waves and ocean waves Heat (Chapter 20) is a mechanism of energy transfer that is driven by a temperature difference between two regions in space For example, the handle of a metal spoon in a ... 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 result in it having...

Ngày tải lên: 05/10/2016, 13:49

... out when two are released, and so on What If? Consider what would happen if balls and are glued together Now what happens when ball is pulled out and released? Answer In this situation, balls and ... By Newton’s third law, however, the Earth experiences an upward force and therefore an upward acceleration while the ball falls In the calculation below, we will show that this motion c...

Ngày tải lên: 05/10/2016, 13:50

... pushing-apart process? How can it be, with large forces acting? How can it be, with no motion beforehand and plenty of motion afterward? How fast can you set the Earth moving? In particular, when ... 9 .6 can be applied to an analysis of the motion of deformable systems For example, suppose you stand on a skateboard and push off a wall, setting yourself in motion away from the...

Ngày tải lên: 05/10/2016, 13:50

... to translational position (x), translational speed (v), and translational acceleration (a) The variables u, v, and a differ dimensionally from the variables x, v, and a only by a factor having ... 10.3.) We have not specified any direction for angular speed and angular acceleration Strictly speaking, v and a are the magnitudes of the angular velocity and the anguS S lar...

Ngày tải lên: 05/10/2016, 13:51

... straight down as shown by C, and (d) the string is pulled forward and downward as shown by D (e) What if the string is instead attached to the rim of the front wheel and pulled upward and backward ... (a) at t ϭ and (b) at t ϭ 3.00 s A bar on a hinge starts from rest and rotates with an angular acceleration a ϭ (10 ϩ 6t) rad/s2, where t is in seconds Determine the angle in...

Ngày tải lên: 05/10/2016, 13:52

... changes What apparent free-fall acceleration is experienced by the managers remaining at the rim? Assume the average mass of each inhabitant is 65 .0 kg S 39 ⅷ A wad of sticky clay with mass m and ... system are those associated with internal forces between particles and those associated with external forces The net torque associated with all internal forces, however, is zero R...

Ngày tải lên: 05/10/2016, 13:52