Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 27, Problem 4Q
In the relation
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For each part make sure to include sign to represent direction, with up being positive and down being negative.
A ball is thrown vertically upward with a speed of 30.5 m/s.
A) How high does it rise? y=
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C) How long does it take the ball return to its starting point after it reaches its highest point? t=
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Four point charges of equal magnitude Q = 55 nC are placed on the corners of a rectangle of sides D1 = 27 cm and D2 = 11cm. The charges on the left side of the rectangle are positive while the charges on the right side of the rectangle are negative. Use a coordinate system where the positive y-direction is up and the positive x-direction is to the right.
A. Which of the following represents a free-body diagram for the charge on the lower left hand corner of the rectangle?
B. Calculate the horizontal component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle.Numeric : A numeric value is expected and not an expression.Fx = __________________________________________NC. Calculate the vertical component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle.Numeric : A numeric value is expected and not an expression.Fy = __________________________________________ND. Calculate the magnitude of the…
Point charges q1=50.0μC and q2=-35μC are placed d1=1.0m apart, as shown.
A. A third charge, q3=25μC, is positioned somewhere along the line that passes through the first two charges, and the net force on q3 is zero. Which statement best describes the position of this third charge?1) Charge q3 is to the right of charge q2. 2) Charge q3 is between charges q1 and q2. 3) Charge q3 is to the left of charge q1. B. What is the distance, in meters, between charges q1 and q3? (Your response to the previous step may be used to simplify your solution.)Give numeric value.d2 = __________________________________________mC. Select option that correctly describes the change in the net force on charge q3 if the magnitude of its charge is increased.1) The magnitude of the net force on charge q3 would still be zero. 2) The effect depends upon the numeric value of charge q3. 3) The net force on charge q3 would be towards q2. 4) The net force on charge q3 would be towards q1. D. Select option that…
Chapter 27 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 27.1 - Prob. 1AECh. 27.2 - Prob. 1BECh. 27.3 - A wire carrying current I is perpendicular to a...Ch. 27.3 - A straight power line carries 30A and is...Ch. 27.4 - Prob. 1EECh. 27.4 - What is the sign of the charge in Fig. 2719? How...Ch. 27.4 - A particle in a velocity selector as diagrammed in...Ch. 27 - A compass needle is not always balanced parallel...Ch. 27 - Prob. 2QCh. 27 - A horseshoe magnet is held vertically with the...
Ch. 27 - In the relation F=IlB, which pairs of the vectors...Ch. 27 - The magnetic field due to current in wires in your...Ch. 27 - If a negatively charged particle enters a region...Ch. 27 - In Fig. 2734, charged particles move in the...Ch. 27 - A positively charged particle in a nonuniform...Ch. 27 - Note that the pattern of magnetic field lines...Ch. 27 - Explain why a strong magnet held near a CRT...Ch. 27 - Describe the trajectory of a negatively charged...Ch. 27 - Can you set a resting electron into motion with a...Ch. 27 - A charged particle is moving in a circle under the...Ch. 27 - The force on a particle in a magnetic field is the...Ch. 27 - A beam of electrons is directed toward a...Ch. 27 - A charged particle moves in a straight line...Ch. 27 - If a moving charged particle is deflected sideways...Ch. 27 - How could you tell whether moving electrons in a...Ch. 27 - How can you make a compass without using iron or...Ch. 27 - Prob. 20QCh. 27 - In what positions (if any) will a current loop...Ch. 27 - A rectangular piece of semiconductor is inserted...Ch. 27 - Two ions have the same mass, but one is singly...Ch. 27 - (I) (a) What is the force per meter of length on a...Ch. 27 - (I) Calculate the magnitude of the magnetic force...Ch. 27 - (I) A 1.6-m length of wire carrying 4.5 A of...Ch. 27 - (II) The magnetic force per meter on a wire is...Ch. 27 - (II) The force on a wire is a maximum of 7.50 102...Ch. 27 - (II) Suppose a straight 1.00-mm-diameter copper...Ch. 27 - Prob. 7PCh. 27 - (II) A long wire stretches along the x axis and...Ch. 27 - (II) A current-carrying circular loop of wire...Ch. 27 - (II) A 2.0-m-long wire carries a current of 8.2 A...Ch. 27 - Prob. 11PCh. 27 - (III) A circular loop of wire, of radius r,...Ch. 27 - (I) Determine the magnitude and direction of the...Ch. 27 - (I) An electron is projected vertically upward...Ch. 27 - (I) Alpha particles of charge q = +2e and mass m =...Ch. 27 - (I) Kind the direction of the force on a negative...Ch. 27 - (I) Determine the direction of B for each ease in...Ch. 27 - Prob. 18PCh. 27 - (II) A doubly charged helium atom whose mass is...Ch. 27 - (II) A proton (mass mp), a deuteron (m = 2mp, Q =...Ch. 27 - (II) For a particle of mass m and charge q moving...Ch. 27 - (II) An electron moves with velocity...Ch. 27 - (II) A 6.0-MeV (kinetic energy) proton enters a...Ch. 27 - (II) An electron experiences the greatest force as...Ch. 27 - (II) A proton moves through a region of space...Ch. 27 - (II) An electron experiences a force...Ch. 27 - (II) A particle of charge q moves in a circular...Ch. 27 - (II) An electron enters a uniform magnetic field B...Ch. 27 - Prob. 29PCh. 27 - (II) The path of protons emerging from an...Ch. 27 - (III) Suppose the Earths magnetic field at the...Ch. 27 - Prob. 32PCh. 27 - (III) A proton moving with speed = 1.3 105 m/s...Ch. 27 - (III) A particle with charge +q and mass m travels...Ch. 27 - (I) How much work is required to rotate the...Ch. 27 - (I) A 13.0-cm-diameter circular loop of wire is...Ch. 27 - (II) A circular coil 18.0 cm in diameter and...Ch. 27 - (II) Show that the magnetic dipole moment of an...Ch. 27 - (II) A 15-loop circular coil 22 cm in diameter...Ch. 27 - (III) Suppose a nonconducting rod of length d...Ch. 27 - (I) If the current to a motor drops by 12%, by...Ch. 27 - (I) A galvanometer needle deflects full scale for...Ch. 27 - (I) If the restoring spring of a galvanometer...Ch. 27 - Prob. 44PCh. 27 - (II) An oil drop whose mass is determined to be...Ch. 27 - (II) A Hall probe, consisting of a rectangular...Ch. 27 - (II) A Hall probe used to measure magnetic field...Ch. 27 - (II) A rectangular sample of a metal is 3.0 cm...Ch. 27 - (II) In a probe that uses the Hall effect to...Ch. 27 - Prob. 50PCh. 27 - Prob. 51PCh. 27 - (II) One form of mass spectrometer accelerates...Ch. 27 - (II) Suppose the electric field between the...Ch. 27 - (II) A mass spectrometer is being used to monitor...Ch. 27 - (II) An unknown particle moves in a straight line...Ch. 27 - Protons move in a circle of radius 5.10 cm in a...Ch. 27 - Protons with momentum 3.8 1016 kg m/s are...Ch. 27 - A proton and an electron have the same kinetic...Ch. 27 - Prob. 59GPCh. 27 - Prob. 60GPCh. 27 - Near the equator, the Earths magnetic field points...Ch. 27 - Calculate the magnetic force on an airplane which...Ch. 27 - A motor run by a 9.0-V battery has a 20 turn...Ch. 27 - Estimate the approximate maximum deflection of the...Ch. 27 - Prob. 65GPCh. 27 - The cyclotron (Fig. 2750) is a device used to...Ch. 27 - Magnetic fields are very useful in particle...Ch. 27 - A square loop of aluminum wire is 20.0 cm on a...Ch. 27 - A sort of projectile launcher is shown in Fig....Ch. 27 - Prob. 70GPCh. 27 - In a certain cathode ray tube, electrons are...Ch. 27 - Prob. 72GPCh. 27 - A proton follows a spiral path through a gas in a...Ch. 27 - Prob. 74GPCh. 27 - The power cable for an electric trolley (Fig....Ch. 27 - A uniform conducting rod of length d and mass m...Ch. 27 - In a simple device for measuring the magnitude B...
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