... 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 University ** John ** ** W ** ** Jewett,** Jr California State Polytechnic ... Editorial Assistant: Shawn Vasquez Technology Project Manager: Sam Subity Marketing Manager: Mark Santee Marketing Assistant: Melissa Wong Managing Marketing Communications Manager: Bryan Vann Project...

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... 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 available ... factors, ** and ** the SI units of physical quantities as well as ** a ** periodic table of the elements Other useful information—fundamental constants ** and ** physical data, planetary data, ** a ** list of standard...

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... 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 than 10.0% 53 ** A ** high ... **(a)** If ** a ** car is traveling eastward, its acceleration must be eastward (b) If ** a ** car is slowing down, its acceleration must be negative (c) ** A ** particle ** with ** constant acceleration can never stop and...

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... ** 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 date **(a)** What is ... = challenging; Ⅺ = SSM/SG; ᮡ The foreman’s name was ** John ** McAnn By God, he was ** a ** blamed mean man One day ** a ** premature blast went off ** And ** ** a ** mile in the air went big Jim Goff ** And ** drill Then when...

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... (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 ** and ** ** a ** constant acceleration ... decreasing) Path of particle Ꭾ at ** a ** ar ar ** a ** Ꭽ at ar Ꭿ at ** a ** ACTIVE FIGURE 4. **16 ** S The motion of ** a ** particle along an arbitrary curved path lying in the xy plane If the velocity vector v S (always tangent...

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... 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 ** and ** Weight ** A ** small ... **(a)** Assume the ball 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...

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... 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 ** stationary floor ** and ** ... possible values ** for ** the magnitude of P that allow the block to remain stationary (b) Describe what happens if S P has ** a ** larger value ** and ** what happens if it is smaller (c) Repeat parts **(a)** ** and ** (b) assuming...

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... 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 downward acceleration ... accelerated reference frame ** A ** fictitious force appears to act on an object in the same way as ** a ** real force Real forces are always interactions between two objects, however, ** and ** you cannot identify a...

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... 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 on Batman in this maneuver? ... the work done by each force separately ** and ** then add the works algebraically to find the net work done on the system E XA M P L E Calculating Total Work Done from ** a ** Graph ** A ** force acting on ** a ** particle...

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... 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 ** a ** higher ... instant the actor is at the lowest point Because the tension in the cable is transferred as ** a ** force applied to the sandbag, we model the actor at this instant as ** a ** particle under ** a ** net force a...

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... 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 can be ... acceleration ** and ** consequent velocity are much smaller than the acceleration ** and ** velocity of the arrow What If? What if the arrow were fired in ** a ** direction that makes an angle u ** with ** the horizontal?...

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... 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 wall How would ... size of this force **(A ** child should always be in ** a ** toddler seat secured ** with ** ** a ** seat belt in the back seat of ** a ** car.) An estimated force–time curve ** for ** ** a ** baseball struck by ** a ** bat is shown in Figure...

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... 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 acceleration vectors1 ... rotation about the y axis than about the z axis 278 What If? Chapter 10 Rotation of ** a ** Rigid Object About ** a ** Fixed Axis What if the mass M is much larger than m? How the answers to parts **(A)** and...

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... 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 radians through which ... slows down The flywheel is ** a ** uniform solid cylinder ** with ** mass ** 60** 0 kg ** and ** radius 0 **.65** 0 m The bus body does work against air resistance ** and ** rolling resistance at the average rate of 18.0 hp as...

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... 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 Recall that Newton’s ... Horizontal Beam ** A ** uniform horizontal beam ** with ** ** a ** length of 8.00 m ** and ** ** a ** weight of 200 N is attached to ** a ** wall by ** a ** pin connection Its far end is supported by ** a ** cable that makes an angle of 53.0° with...

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