Answered: A compass is a magnet. Only if the…

Science

Physics

A compass is a magnet. Only if the compass has a battery. YES. Only if there are electrical charges on the compass. NO.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 77AP: An electron moving along the +x -axis at 5.0106m/s enters a magnetic field that makes a 75° angle...

See similar textbooks

Related questions

Q: 1. What are the differences between real and virtual images? How can you tell (by looking) whether…

A: The mirror is the equipment which speculate the light placing on them. Lenses which are used to…

Q: The thickness of a physics textbook, not including the covers, is measured as 3.54 cm. If the last…

Q: 1. a. A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 × 105 N/m2. If we…

A: a) Determine the volume of the sphere.

Q: Consider the circuit shown in the figure below. The emf's are 1 = 28 V, 2 = 20 V, and €3 = 44 V. (a)…

Q: (a) How much work has the force done at the instant the disk has completed two revolutions, starting…

A: If the angular accleration is α and moment of inertia is I then the…

Q: If a fly collides with the windshield of a fast-moving bus, which experiences the greater…

A: If a fly collides with the windshield of a fast-moving bus, which experiences the greater…

Q: 7. The 20-kg crate is subjected to a force having a constant direction and a magnitude F = 100 N.…

Q: A 5.22-kg object passes through the origin at time to such that its x component of velocity is 4.70…

Q: Water flows through a garden hose which is attached to a nozzle. The water flows through hose with a…

A: Speed with nozzle ( unozzle ) = 20.8 m/s Speed without nozzle ( uwithout nozzle ) = 1.87 m/s

Q: 3. Why can we represent a spherical mirror by a straight line in a ray tracing?

Q: Two linebackers Lawrence Taylor (A) (110 kg) and Ray Lewis (B) (115 kg) are facing each other as…

Q: an object is thrown from floor level in a velocity of 16m/s and an angle of 77o. determine the max…

Q: A 47.7-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: Given: The mass of the skater is 47.7 kg. The initial velocity of the skater is 0 m/s. The final…

Q: A 5.0-kg ball is at rest when it is struck head-on by a 2.0-kg ball moving along a track at 10.0…

A: Given data: m1 = 5.0 kg and m2 = 2.0 kg u1 = 0 m/s, u2 = 10.0 m/s V2 = 0 m/s Required: The speed of…

Q: 1. In the given triangle, charges Q1= 50x10^-9 C and Q2= -40 X10^-9 were placed as shown. Find the…

A: Potential due to a point charge at a distance r is given by V=kQrWhere, V=potential at that pointQ=…

Q: Temperature is commonly measured with liquid-in-glass thermometers, wherein the liquid contracting…

A: There are various measures of degree of hotness or coldness. The temperature of a body is generally…

Q: Magnetic puck A, with a mass of 0.150 kg, is pushed towards stationary 0.075 kg magnetic puck B, to…

Q: The resistivity of copper is 1.70 x 10-8 2. m. HINT Apply the expression relating resistance to…

Q: PHYSICS! PLEASE WRITE THE COMPLETE SOLUTIONS W/ PROPER DERIVATIVES/INTEGRAL AND UNITS. ANSWER IN 2…

A: Apply the third kinematic equation to determine the velocity just before reaching the ground.

Q: Question 7 A 2.0 mm diameter wire of length 20 m has a resistance of 0.25 2. What is the resistivity…

Q: a. Ninguna de las opciones. b. 344,28 Hz. c. 354,28 Hz. d. 364,28 Hz. e. 334,28 Hz. f. 304,28 Hz. g.…

A: According to Doppler effect, there is always a change in original frequency whenever there is a…

Q: A +3.0 nC charge is at x = 0 cm and a -1.0 nC charge is at x = 4 cm. At what point or points on the…

A: The points at which electric potential is zero are x = 3 cm and 6 cm

Q: The active area of the processor found in some smartphones has the equivalent of about 2.0 billion…

A: Given : Number of transistors , N = 2 Billion = 2× 109 Dimensions of Integrated circuit = 9.3 mm ×…

Q: Question 30 A particle with charge -5.00 C initially moves at v = (1.00 i +7.00 j) m/s. If it…

Q: c. A certain radioactive material is known to decay at a rate proportional to the amount present. If…

Q: Answer the following questions briefly. 1. What evidence can you cite to support the claim that the…

A: 1. Upon reflection, medium in which light is traveling doesn't changing, so speed of light remains…

Q: rod of uniform density has a length of 0.5 m and is rotating in a circle on a frictionless table.…

Q: Two ice skaters, one with a mass of 50 kg and the other with a mass of 70 kg, stand facing each…

A: Given, Two ice skaters, one with a mass of 50 kg and the other with a mass of 70 kg, stand facing…

Q: A man is pushing a loaded rotating tray with radius of 0.5m on top of a table with a force of F =…

Q: A toy gun uses a 0.2-gram pellet as its ammo. The toy uses two parallel springs each with k-500 N/m…

Q: [c] Ice cream typically contains about 2.5 food Calories per gram. If you eat Y grams of ice cream,…

A: Weight of ice - cream ( w ) = 0.8 g 1 gram of icecream contain = 2.5 food calories

Q: A box (M = 140 kg) is sitting on a 6.0 m light uniform board (with negligible mass). The board is…

Q: A 0.30 kg football is thrown from a height of 2.5 m with an initial velocity of 25.0 m/s (34° above…

Q: A solid non conducting sphere of radius a carries a non-uniform charge distribution, the charge…

A: in this question, we use gauss's law for electric field inside the sphere .

Q: In the diagram below the index n = 1.18, and index N = 1.84. incident light ray 41.5 OR 1. The value…

Q: How much work must be done to stop a 1100-kg car traveling at 111km / h ? (Hint: You will need to…

Q: At t₁ = 3.0 s, a car has velocity components vx1 = 5.0 m/s and vy1 = 4.0 m/s. From t₁ = 3.0 s to t₂…

A: Apply the first kinematic equation along the x-direction to determine the final velocity at 17 s.

Q: Part B: The ends of a 24 cm long, 2 cm diameter rod are maintained at -6°C and 99.2°C by immersion…

Q: A baseball (m = 153 g) approaches a bat horizontally at a speed of 37.6 m/s (84.1 mi/h) and is hit…

A: Given: Mass of the ball (m) = 153 g = 0.153 KgInitial speed of the all u = 37.6 m/sFinal speed of…

Q: Lonnie pitches a baseball of mass 0.20 kg. The ball arrives at home plate with a speed of 40 m/s and…

A: Given mass(m)=0.20 kg vi=40 m/s vf=-60 m/s (negative because it is in opposite direction)…

Q: If the azimuth angle of the solar vertex is equal to 36 degrees, then the ratio of the length of the…

Q: Ethel is sitting on a park bench feeding the pigeons when a child's ball rolls toward her across the…

Q: 1. A converging lens with a focal point of 15 cm was placed in front of a 5 cm object at a distance…

A: Note-as per guidelines I answer first question only plese upload remaining question separately.

Q: “In general, the normal force is not equal to the weight.” Give an example in which these two forces…

A: It is asked for an example where normal force is equal to the weight in magnitude and at least two…

Q: One object is at rest, and another is moving. The two collide in a one-dimensional, completely…

Q: does more work than Kai and also uses more power than Kai. 41) A 2 year old on a pet jaguar…

Q: an object covers 23.62m in 6.87s while decelerating until reaching a final speed of 3.67m/s. find…

A: Given Distance moved= s = 23.62 m Time taken = t = 6.87 s Retardation is present Final velocity = v…

Q: A 5.22-kg object passes through the origin at time t=0 such that its x component of velocity is 4.70…

Q: A copper wire has a circular cross section with a radius of 1.81 mm. HINT Apply the relation between…

Q: In a particular area of the country, electrical energy costs $0.18 per kilowatt-hour. (Round your…

Concept explainers

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.

Question

A compass is a magnet.
Only if the compass has a battery.
YES.
Only if there are electrical charges on the compass.
NO.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Electrons in Earths upper atmosphere have typical speeds near 6.00 105 m/s. (a) Calculate the magnitude of Earths magnetic field if an electrons velocity is perpendicular to the magnetic field and its circular path has a radius of 7.00 102 m. (b) Calculate the number of times per second that an electron circles around a magnetic field line.
A proton has a magnetic field due to its spin on its axis. The field is similar to that created by a circular current loop 0.6501015m in radius with a current of 1.05104A (no kidding). Find the maximum torque on a proton in a 2.50T field. (This is a significant torque on a small particle.)
A proton and an alpha-particle have the same kinetic energy and both move in a plane perpendicular to a uniform magnetic field. Compare the pentodes of their orbits.
An electron moving along the +x -axis at 5.0106m/s enters a magnetic field that makes a 75° angle with the x-axis of magnitude 0,20 T. Calculate the (a) pitch and (b) radius of tire trajectory.
A charged particle is traveling through a uniform magnetic field. Which of the following statements are true of the magnetic field? There may be more than one correct statement. (a) It exerts a force on the particle parallel to the field. (b) It exerts a force on the particle along the direction of its motion. (c) It increases the kinetic energy of the particle. (d) It exerts a force that is perpendicular to the direction of motion. (e) It does not change the magnitude of the momentum of the particle.
A proton of speed v=6105m/s enters a region of uniform magnetic field of B = 0.5 T at an angle of q = 30° to the magnetic field. In the region of magnetic field proton describes a helical path with radius R and pitch p (distance between loops.) Find R and p.
A physicist is designing a cyclotron to accelerate protons to one-tenth the speed of light. The magnetic field will have a strength of 1.5 T. Determine [a) the rotational period of the circulating protons and (b) the maximum radius of the protons' orbit.
What creates a magnetic Hold? More than one answer may be correct, (a) a stationary object with electric charge (b) a moving object with electric charge (c) a stationary conductor carrying electric current (d) a difference in electric potential (e) a charged capacitor disconnected from a battery and at rest Note: In Chapter 34, we will see that a changing electric field also creates a magnetic field.
Around the geographic North Pole (or magnetic South Pole), Earth’s magnetic field is almost vertical. If an airplane is flying northward in this region, which side of the wing is positively charged and which is negatively charged?
A proton having an initial velocity of 20.0iMm/s enters a uniform magnetic field of magnitude 0.300 T with a direction perpendicular to the protons velocity. It leaves the field-filled region with velocity 20.0jMm/s. Determine (a) the direction of the magnetic field. (b) the radius of curvature of the protons path while in the field, (c) the distance the proton traveled in the field, and (d) the time interval during which the proton is in the field.
What creates a magnetic field? More than one answer may be correct. (a) a stationary object with electric charge (b) a moving object with electric charge (c) a stationary conductor carrying electric current (d) a difference in electric potential (e) a charged capacitor disconnected from a battery and at rest. Note: In Chapter 24, we will see that a changing electric field also creates a magnetic field.
A uniform horizontal wire with a linear mass density of 0.50 g/m carries a 2.0-A current. It is placed in a constant magnetic field with a strength of 4.0 103 T. The field is horizontal and perpendicular to the wire. As the wire moves upward starting from rest, (a) what is its acceleration and (b) how long does it take to rise 0.50 m? Neglect the magnetic field of Earth.