FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Question
Chapter 4, Problem 124P
To determine
For how long does the bicyclist disappear from your view?
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VECTORS
Problem 3:
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Chapter 4 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 4 - When Paris was shelled from 100 km away with the...Ch. 4 - You are to launch a rocket, from just above the...Ch. 4 - An airplane flying horizontally at a constant...Ch. 4 - a Is it possible to be accelerating while...Ch. 4 - While riding in a moving car, you toss an egg...Ch. 4 - A snowball is thrown from ground level by someone...Ch. 4 - You are driving directly behind a pickup truck,...Ch. 4 - At what point in the path of a projectile is the...Ch. 4 - In shot put, the shot is put thrown from above the...Ch. 4 - Prob. 1P
Ch. 4 - A watermelon seed has the following coordinates: x...Ch. 4 - A positron undergoes a displacement r = 2.0 i 3.0...Ch. 4 - The minute hand of a wall clock measures 10 cm...Ch. 4 - SSM A train at a constant 60.0 km/h moves east for...Ch. 4 - An electrons position is given by...Ch. 4 - An ions position vector is initially...Ch. 4 - A plane flies 483 km east from city A to city B in...Ch. 4 - Prob. 11PCh. 4 - At one instant a bicyclist is 40.0 m due east of a...Ch. 4 - SSM A particle moves so that its position in...Ch. 4 - A proton initially has v=4.0i2.0j+3.0k and then...Ch. 4 - SSM ILW A particle leaves the origin with an...Ch. 4 - GO The velocity v of a particle moving in the xy...Ch. 4 - A cart is propelled over an xy plane with...Ch. 4 - A moderate wind accelerates a pebble over a...Ch. 4 - The acceleration of a particle moving only on a...Ch. 4 - A dart is thrown horizontally with an initial...Ch. 4 - A small ball rolls horizontally off the edge of a...Ch. 4 - A projectile is fired horizontally from a gun that...Ch. 4 - In the 1991 World Track and Field Championships in...Ch. 4 - The current world-record motorcycle jump is 77.0...Ch. 4 - A stone is catapulted at time t = 0, with an...Ch. 4 - A projectiles launch speed is five times its speed...Ch. 4 - GO A soccer ball is kicked from the ground with an...Ch. 4 - In a jump spike, a volleyball player slams the...Ch. 4 - SSM A plane, diving with constant speed at an...Ch. 4 - A trebuchet was a hurling machine built to attack...Ch. 4 - SSM A rifle that shoots bullets at 460 m/s is to...Ch. 4 - GO During a tennis match, a player serves the ball...Ch. 4 - SSM WWW A lowly high diver pushes off horizontally...Ch. 4 - Suppose that a shot putter can put a shot at the...Ch. 4 - ILW A ball is shot from the ground into the air....Ch. 4 - A baseball leaves a pitchers hand horizontally at...Ch. 4 - GO In basketball, hang is an illusion in which a...Ch. 4 - Prob. 47PCh. 4 - SSM A football kicker can give the ball an initial...Ch. 4 - GO Two seconds after being projected from ground...Ch. 4 - SSM A ball rolls horizontally off the top of a...Ch. 4 - An Earth satellite moves in a circular orbit 640...Ch. 4 - A carnival merry-go-round rotates about a vertical...Ch. 4 - A rotating fan completes 1200 revolutions every...Ch. 4 - ILW A woman rides a carnival Ferris wheel at...Ch. 4 - A centripetal-acceleration addict rides in uniform...Ch. 4 - When a large star becomes a supernova, its core...Ch. 4 - What is the magnitude of the acceleration of a...Ch. 4 - GO At t1 = 2.00 s, the acceleration of a particle...Ch. 4 - GO A particle moves horizontally in uniform...Ch. 4 - A purse at radius 2.00 m and a wallet at radius...Ch. 4 - A particle moves along a circular path over a...Ch. 4 - SSM WWW A boy whirls a stone in a horizontal...Ch. 4 - GO A cat rides a merry-go-round turning with...Ch. 4 - A cameraman on a pickup truck is traveling...Ch. 4 - A boat is traveling upstream in the positive...Ch. 4 - A suspicious-looking man runs as fast as he can...Ch. 4 - A rugby player runs with the ball directly toward...Ch. 4 - After flying for 15 min in a wind blowing 42 km/h...Ch. 4 - SSM A train travels due south at 30 m/s relative...Ch. 4 - A light plane attains an airspeed of 500 km/h. The...Ch. 4 - SSM Snow is falling vertically at a constant speed...Ch. 4 - SSM ILW Two ships, A and B, leave port at the same...Ch. 4 - GO A 200-m-wide river flows due east at a uniform...Ch. 4 - Prob. 81PCh. 4 - GO A 200-m-wide river has a uniform flow speed of...Ch. 4 - Prob. 83PCh. 4 - You are kidnapped by political-science majors who...Ch. 4 - SSM A baseball is hit at ground level. The ball...Ch. 4 - Long flights at midlatitudes in the Northern...Ch. 4 - SSM A particle starts from the origin at t = 0...Ch. 4 - An astronaut is rotated in a horizontal centrifuge...Ch. 4 - SSM Oasis A is 90 km due west of oasis B. A desert...Ch. 4 - For womens volleyball the top of the net is 2.24 m...Ch. 4 - SSM A rifle is aimed horizontally at a target 30 m...Ch. 4 - A particle is in uniform circular motion about the...Ch. 4 - An iceboat sails across the surface of a frozen...Ch. 4 - Prob. 101PCh. 4 - A magnetic field forces an electron to move in a...Ch. 4 - In 3.50 h, a balloon drifts 21.5 km north, 9.70 km...Ch. 4 - A ball is thrown horizontally from a height of 20...Ch. 4 - A projectile is launched with an initial speed of...Ch. 4 - The position vector for a proton is initially...Ch. 4 - The fast French train known as the TGV Train ...Ch. 4 - a If an electron is projected horizontally with a...Ch. 4 - A person walks up a stalled 15-m-long escalator in...Ch. 4 - a What is the magnitude of the centripetal...Ch. 4 - The range of a projectile depends not only on v0...Ch. 4 - The position vector r of a particle moving in the...Ch. 4 - Prob. 115PCh. 4 - Prob. 116PCh. 4 - Prob. 117PCh. 4 - Prob. 118PCh. 4 - Prob. 119PCh. 4 - Prob. 120PCh. 4 - Prob. 121PCh. 4 - Prob. 122PCh. 4 - Prob. 123PCh. 4 - Prob. 124PCh. 4 - Prob. 125PCh. 4 - Prob. 126PCh. 4 - Prob. 127PCh. 4 - Prob. 128P
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- Given the vectors A = (-2î + j) m and B = (4î – ) m. The direction of the resultant vector R = Ả + B is %3D %3D O a. 0 = 180° %3D O b. 0 = 45° Oc. 0 = 90° O d. 0 = 0° %3Darrow_forwardGrade 11 Physics: I haven't yet learned the range formula but don't know how to adjust the angle to hit the target by using the formulas I have used. A water balloon is fired at 34.0 m/s from a water cannon, which is aimed at an angle of 18° above the ground. The centre of the cannon’s target (which has a radius of 1.0 m) is painted on the asphalt 42.0 m away from the water cannon. Will the balloon hit the target? Justify your response with calculations that indicate where the water balloon will land and make one suggestion about how to adjust the water cannon so that the water balloon will hit the target. sin??θ=opphyp sin??θ=v⃗yv⃗ v⃗y=v⃗sinθ =(34.0m/s)sin 18° =10.5m/s[up] cosθ=adjhyp cosθ=v⃗xv⃗ v⃗x=v⃗cosθ =(34.0m/s)cos 18° =32.3m/s[forward] Let [up] be positive Δd⃗=0 a⃗=-9.8m/s2[down] v⃗y1=10.5m/s[up] Δt= ? Δd⃗=v⃗y1Δt+12a⃗(Δt)2 0=(10.5m/s)Δt+12(-9.8m/s2)(Δt)2 0=(10.5m/s)Δt-4.9m/s2(Δt)2 0=Δt (10.5m/s-4.9m/s2Δt) Δt=0 or Δt=2.14s v⃗x=32.3m/s [forward] Δt=2.14s Δd⃗x= ?…arrow_forwardH.W. Find the resultant of the three displacement vectors in the drawing by means of the components method. The magnitudes of the vectors are: JĀ| = 5m, B|= 5m and jč| = 4m %3D Ans. Ē = -2.19î + 2.04j B We can also find the magnitude K200 600 X + and direction of the resultant: R = 2.99 ; 0 = –42.8°arrow_forward
- A flagpole sits at the center of a playground. Initially, a child is located 8.50 m due north of the flagpole. Two minutes later, the child is 6.00 m away from the flagpole in the direction 37.0° south of east. The displacement of the child lies between which two cardinal directions? O South and west O North and east O North and west O South and eastarrow_forwardGiven the vectors A = (-2î + j) m and B = (4î – j) m- The direction of the resultant vector R = Å + B is O a. 8 = 180° O b.8 = 45° Oc.A = 0° O d. 8 = 90° %3!arrow_forwardThe speed of a projectile when it reaches its maximum height is 0.43 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile? Oarrow_forward
- If the vector A =i- 2j and the vector B = 4Î - 5j, what angle does A + B form with the x-axis? OA 30 960 OB. 35.960 OC 54 46° OD.45 580arrow_forwardA student takes a much needed break from her studies and wanders around in the Arnold Arboretum. First, the student travels through a displacement N (+y) = = 400 m, directed 40.0° W of S. %3D Then the student undergoes a displacement D2= 800 m, directed 30.0° N of W. E (+x) %3D Thus, the student undergoes a resultant displacement R=D, +D, · In the following, assume that the +y direction is defined as due North and that the +x direction is defined as due East, as shown in the figure. 16. True or False: Displacement D, has a scalar x component equal to 306 m? A. True. B. False. 17. Displacement D, has a y component-vector equal to A. 400 m. B. - 400 m. C. 693 m j. î . E. 400 m j. D. 693 m 18. True or False: D1,x is positive while D2,x is negative? A. True. B. False. 19. The student's resultant displacement R has a magnitude of A. 1044 m. B. - 856 m. C. 955 m. D. 1200 m. E. 400 m. 20. The student's resultant displacement is directed A. 5.63° N of W. B. 84.4° N of W. C. 5.63° S of W. D.…arrow_forwardthe speed of a projectile when it reaches its maximum height is one half its speed when it is at half its maximum height. what is the initial projection angle of the projectile?arrow_forward
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