Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN: 9781305116399
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 29, Problem 29.66AP
To determine
The vertical magnetic field, which is required to keep the rod moving at a constant speed.
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Chapter 29 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
Ch. 29 - An electron moves in the plane of this paper...Ch. 29 - Prob. 29.2QQCh. 29 - A wire carries current in the plane of this paper...Ch. 29 - (i) Rank the magnitudes of the torques acting on...Ch. 29 - Prob. 29.1OQCh. 29 - Rank the magnitudes of' the forces exerted on the...Ch. 29 - A particle with electric charge is fired into a...Ch. 29 - A proton moving horizontally enters a region where...Ch. 29 - Prob. 29.5OQCh. 29 - A thin copper rod 1.00 in long has a mass of 50.0...
Ch. 29 - Prob. 29.7OQCh. 29 - Classify each of die following statements as a...Ch. 29 - An electron moves horizontally across the Earths...Ch. 29 - A charged particle is traveling through a uniform...Ch. 29 - In the velocity selector shown in Figure 29.13....Ch. 29 - Prob. 29.12OQCh. 29 - A magnetic field exerts a torque on each of the...Ch. 29 - Can a constant magnetic field set into motion an...Ch. 29 - Explain why it is not possible to determine the...Ch. 29 - Is it possible to orient a current loop in a...Ch. 29 - How can the motion of a moving charged particle be...Ch. 29 - Prob. 29.5CQCh. 29 - Charged panicles from outer space, called cosmic...Ch. 29 - Two charged particles are projected in the same...Ch. 29 - At the equator, near the surface of the Earth, the...Ch. 29 - Determine the initial direction of the deflection...Ch. 29 - Find the direction of the magnetic field acting on...Ch. 29 - Consider an electron near the Earths equator. In...Ch. 29 - Prob. 29.5PCh. 29 - A proton moving at 4.00 106 m/s through a...Ch. 29 - An electron is accelerated through 2.40 103 V...Ch. 29 - A proton moves with a velocity of v = (2i 4j + k)...Ch. 29 - A proton travels with a speed of 5.02 106 m/s in...Ch. 29 - A laboratory electromagnet produces a magnetic...Ch. 29 - A proton moves perpendicular to a uniform magnetic...Ch. 29 - Review. A charged particle of mass 1.50 g is...Ch. 29 - An electron moves in a circular path perpendicular...Ch. 29 - An accelerating voltage of 2.50103 V is applied to...Ch. 29 - A proton (charge + e, mass mp), a deuteron (charge...Ch. 29 - A particle with charge q and kinetic energy K...Ch. 29 - Review. One electron collides elastically with a...Ch. 29 - Review. One electron collides elastically with a...Ch. 29 - Review. An electron moves in a circular path...Ch. 29 - Review. A 30.0-g metal hall having net charge Q =...Ch. 29 - A cosmic-ray proton in interstellar space has an...Ch. 29 - Assume the region to the right of a certain plane...Ch. 29 - A singly charged ion of mass m is accelerated from...Ch. 29 - A cyclotron designed to accelerate protons has a...Ch. 29 - Prob. 29.25PCh. 29 - Singly charged uranium-238 ions are accelerated...Ch. 29 - A cyclotron (Fig. 28.16) designed to accelerate...Ch. 29 - A particle in the cyclotron shown in Figure 28.16a...Ch. 29 - Prob. 29.29PCh. 29 - Prob. 29.30PCh. 29 - Prob. 29.31PCh. 29 - A straight wire earning a 3.00-A current is placed...Ch. 29 - A conductor carrying a current I = 15.0 A is...Ch. 29 - A wire 2.80 m in length carries a current of 5.00...Ch. 29 - A wire carries a steady current of 2.40 A. A...Ch. 29 - Why is the following situation impossible? Imagine...Ch. 29 - Review. A rod of mass 0.720 kg and radius 6.00 cm...Ch. 29 - Review. A rod of mass m and radius R rests on two...Ch. 29 - A wire having a mass per unit length of 0.500 g/cm...Ch. 29 - Consider the system pictured in Figure P28.26. A...Ch. 29 - A horizontal power line oflength 58.0 in carries a...Ch. 29 - A strong magnet is placed under a horizontal...Ch. 29 - Assume the Earths magnetic field is 52.0 T...Ch. 29 - In Figure P28.28, the cube is 40.0 cm on each...Ch. 29 - Prob. 29.45PCh. 29 - A 50.0-turn circular coil of radius 5.00 cm can be...Ch. 29 - A magnetized sewing needle has a magnetic moment...Ch. 29 - A current of 17.0 mA is maintained in a single...Ch. 29 - An eight-turn coil encloses an elliptical area...Ch. 29 - Prob. 29.50PCh. 29 - A rectangular coil consists of N = 100 closely...Ch. 29 - A rectangular loop of wire has dimensions 0.500 m...Ch. 29 - A wire is formed into a circle having a diameter...Ch. 29 - A Hall-effect probe operates with a 120-mA...Ch. 29 - Prob. 29.55PCh. 29 - Prob. 29.56APCh. 29 - Prob. 29.57APCh. 29 - Prob. 29.58APCh. 29 - A particle with positive charge q = 3.20 10-19 C...Ch. 29 - Figure 28.11 shows a charged particle traveling in...Ch. 29 - Review. The upper portion of the circuit in Figure...Ch. 29 - Within a cylindrical region of space of radius 100...Ch. 29 - Prob. 29.63APCh. 29 - (a) A proton moving with velocity v=ii experiences...Ch. 29 - Review. A 0.200-kg metal rod carrying a current of...Ch. 29 - Prob. 29.66APCh. 29 - A proton having an initial velocity of 20.0iMm/s...Ch. 29 - Prob. 29.68APCh. 29 - A nonconducting sphere has mass 80.0 g and radius...Ch. 29 - Why is the following situation impossible? Figure...Ch. 29 - Prob. 29.71APCh. 29 - A heart surgeon monitors the flow rate of blood...Ch. 29 - A uniform magnetic Held of magnitude 0.150 T is...Ch. 29 - Review. (a) Show that a magnetic dipole in a...Ch. 29 - Prob. 29.75APCh. 29 - Prob. 29.76APCh. 29 - Consider an electron orbiting a proton and...Ch. 29 - Protons having a kinetic energy of 5.00 MeV (1 eV...Ch. 29 - Review. A wire having a linear mass density of...Ch. 29 - A proton moving in the plane of the page has a...
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- Solenoid A has length L and N turns, solenoid B has length 2L and N turns, and solenoid C has length L/2 and 2N turns. If each solenoid carries the same current, rank the magnitudes of the magnetic fields in the centers of the solenoids from largest to smallest.arrow_forwardIn Figure P22.43, the current in the long, straight wire is I1 = 5.00 A and the wire lies in the plane of the rectangular loop, which carries a current I2 = 10.0 A. The dimensions in the figure are c = 0.100 m, a = 0.150 m, and = 0.450 m. Find the magnitude and direction of the net force exerted on the loop by the magnetic field created by the wire. Figure P22.43 Problems 43 and 44.arrow_forwardA wire is bent in the form of a square loop with sides of length L (Fig. P30.24). If a steady current I flows in the loop, determine the magnitude of the magnetic field at point P in the center of the square. FIGURE P30.24arrow_forward
- In Figure P22.20, the cube is 40.0 cm on each edge. Four straight segments of wire—ab, bc, cd, and da—form a closed loop that carries a current I = 5.00 A in the direction shown. A uniform magnetic field of magnitude B = 0.020 0 T is in the positive y direction. Determine the magnetic force vector on (a) ab, (b) bc, (c) cd, and (d) da. (e) Explain how you could find the force exerted on the fourth of these segments from the forces on the other three, without further calculation involving the magnetic field.arrow_forwardWithin the green dashed circle shown in Figure P23.28, the magnetic field changes with time according to the expression B = 2.00t3 − 4.00t2 + 0.800, where B is in teslas, t is in seconds, and R = 2.50 cm. When t = 2.00 s, calculate (a) the magnitude and (b) the direction of the force exerted on an electron located at point P1, which is at a distance r1 = 5.00 cm from the center of the circular field region. (c) At what instant is this force equal to zero?arrow_forwardA thin copper rod 1.00 m long has a mass of 50.0 g. What is the minimum current in the rod that would allow it to levitate above the ground in a magnetic field of magnitude 0.100 T? (a) 1.20 A (b) 2.40 A (c) 4.90 A (d) 9.80 A (e) none of those answersarrow_forward
- A wire carrying a current I is bent into the shape of an exponential spiral, r = e, from = 0 to = 2 as suggested in Figure P29.47. To complete a loop, the ends of the spiral are connected by a straight wire along the x axis. (a) The angle between a radial line and its tangent line at any point on a curve r = f() is related to the function by tan=rdr/d Use this fact to show that = /4. (b) Find the magnetic field at the origin. Figure P29.47arrow_forwardA circular coil 15.0 cm in radius and composed of 145 tightly wound turns carries a current of 2.50 A in the counterclockwise direction, where the plane of the coil makes an angle of 15.0 with the y axis (Fig. P30.73). The coil is free to rotate about the z axis and is placed in a region with a uniform magnetic field given by B=1.35jT. a. What is the magnitude of the magnetic torque on the coil? b. In what direction will the coil rotate? FIGURE P30.73arrow_forwardReview. A rod of mass 0.720 kg and radius 6.00 cm rests on two parallel rails (Fig. P28.23) that are d = 12.0 cm apart and L = 45.0 cm long. The rod carries a current of I = 48.0 A in the direction shown and rolls along the rails without slipping. A uniform magnetic field of magnitude 0.240 T is directed perpendicular to the rod and the rails. If it starts from rest, what is the speed of the rod as it leaves the rails? Figure P28.23 Problems 23 and 24.arrow_forward
- Why is the following situation impossible? A conducting rectangular loop of mass M = 0.100 kg, resistance R = 1.00 , and dimensions w = 50.0 cm by = 90.0 cm is held with its lower edge just above a region with a uniform magnetic field of magnitude B = 1.00 T as shown in Figure P30.34. The loop is released from rest. Just as the top edge of the loop reaches the region containing the field, the loop moves with a speed 4.00 m/s. Figure P30.34arrow_forwardA rectangular coil consists of N = 100 closely wrapped turns and has dimensions a = 0.400 m and b = 0.300 m. The coil is hinged along the y axis, and its plane makes an angle = 30.0 with the x axis (Fig. P22.25). (a) What is the magnitude of the torque exerted on the coil by a uniform magnetic field B = 0.800 T directed in the positive x direction when the current is I = 1.20 A in the direction shown? (b) What is the expected direction of rotation of the coil? Figure P22.25arrow_forwardA long, straight wire carries a current I (Fig. OQ22.10). Which of the following statements is true regarding the magnetic field due to the wire? More than one statement may be correct. (a) The magnitude is proportional to I/r, and the direction is out of the page at P. (b) The magnitude is proportional to I/r2, and the direction is out of the page at P. (c) The magnitude is proportional to I/r, and the direction is into the page at P. (d) The magnitude is proportional to I/r2, and the direction is into the page at P. (e) The magnitude is proportional to I, but does not depend on r. Figure OQ22.10arrow_forward
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