Which of the following are true regarding Earth’s magnetic field? Check all that apply.     the magnetic poles drift in an elliptical pattern daily   the magnetic north pole is south of the geographical north pole   the magnetic north pole lines up exactly with the geographical north pole   the magnetic north pole drifts about 1100 km in a century

Q: A beam of unpolarized light shines on a stack of five ideal polarizers, set up so that the angles be...

A:

Q: A crate of mass 78 kg is pushed along a floor with a force of 30N for a distance of 9 m. Calculate t...

A: Given that, Force (F)= 30 N Distance pushed (s)= 9 m We know that work done is given by W= F.s Where...

Q: 23.17 • Point charges q, = +2.00 µC and q, placed at adjacent corners of a square for which the leng...

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Q: Ocean waves are traveling to the east at 4.0 m/s with a distance of 20 m between crests. With what f...

A: Given, Velocity=4m/s Distance=20m We have to find the frequency.  

Q: A freezer is used to freeze 1.8 L of water completely into ice. The water and the freezer remain at ...

A: Volume of water ( V ) = 1.8 L = 0.0018 m3  Temperature ( T ) = 0° C = 273.15 K  The density of water...

Q: Calculate torque in each loop

A: The torque on the square loop (τsq)=NBIAsqsinθ-------------------------(1) And  The torque on square...

Q: Two oppositely charged metal spheres are brought toward each other. Which graph best represents the ...

A: Given data:  Two oppositely charged metal spheres Required: The relationship between magnitude of th...

Q: The magnetic field shown in the figure below has a uniform magnitude of 25.5 mT directed into the pa...

A:

Q: 22. Determine the value of currents la, IB and Ic for the network shown in Figure below. 12 5 V 10 V...

A: As per Bartleby policy, as there are 2 different questions, we will answer the first one. Kindly res...

Q: 1) Figure 1 shows a circuit, with C = 1 µF, R1 = 1 Ω, R2 = 2 Ω and ε = 100 V. Suppose the switch S h...

A: Given C = 1 µF R1 = 1 Ω R2 = 2 Ω  ε= 100 V  Switch 'S' is open for very long time . (a) After long t...

Q: A square wire loop 46 cm on a side, with resistance 49 m2, has its plane normal to a uniform magneti...

A:

Q: Grug is a creature formed from the top of a Burrawang tree, standing ~1.25m tall. One day, Grug clim...

A: Given : H=2.6 m, h= 0.69m

Q: A remote sensing satellite of the Earth in a circular orbit at a height of 400 km above the surface ...

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Q: An 8-g bullet is fired horizontally to a wooden cube with a mass of 9 kg at rest. The bullet and woo...

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Q: Calculate the momentum of the car that has a mass of 1440 kg and a velocity of 16•2 m/s ?

A: Given data :         Mass  =  m        Velocity  = V        To find :          Momentum 

Q: The sinusoidal wave shown in the figure below is traveling in the positive x-direction and has a fre...

A: Given data:  Frequency (f) = 12.1 Hz From the wave graph  2A = 8.26 λ/2 = 5.20 cm Required:  Amplitu...

Q: ... (: PA = Pa) Example 20.8. A rectangular duct 0.15 m by 0.12 m is 20 m long and carries standard ...

A: Given, Rate=0.3m³/s Friction factor=0.005

Q: An infinitely long insulating cylinder of radius R=1.2m has a volume charge density that varies with...

A:

Q: art A An electron moves along the trajectory of (Eigure 1) from i to f es the electric potential ene...

A: We have to find the electric potential energy.

Q: A 25g ball slides down a smooth inclined plane 0.850 m high that makes an angle of 35 degrees with t...

A: Given, mass of the ball, m = 25 g height of the inclined plane, h1 = 0.850 m angle of the inclined p...

Q: 2000 kg car with speed 12.0 m/s hits a tree. The tree does not move or break and the front of the ca...

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Q: 4. Alpha particle bombarded of nitrogen-14 to produce a proton and oxygen-17 5. Neutron bombardment ...

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Q: An engineer built the circuit depicted in the figure. Assuming E = 7.70 V and R = 5.40 0, find the f...

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Q: 23.21 • Points A and B lie within a region of space where there is a uni- form electric field that h...

A: At point A , y = 8 cm  At point B, y = 15 cm  VB - VB = + 12 volts  B is at higher potential than po...

Q: The figure below shows an end view of a single-turn square loop of metal wire in the center of and c...

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Q: A high-altitude balloon is partially filled with 3 m3 of helium at sea level. As the balloon ascends...

A: Initial Pressure ( P1 ) = P1 Initial Volume ( V1 ) = 3 m3 Initial Temperature ( T1 ) = T    Since t...

Q: Two forces, one of magnitude 2 N and the other of magnitude 3 N, are applied to the ring of a force ...

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Q: 23.23 • A uniform electric field has magnitude E and is directed in the negative x-direction. The po...

A: Potential Difference ∆V = 240 Volt Charge q = -0.2 μC = -2×10-7 C The figure of uniform electric fie...

Q: True or false 1.The loads in a series circuit share the voltage from the battery so the voltage is d...

A:

Q: The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If th...

A: Given data:  Original distance (r) = 0.1 m Original force = F New distance (r') = 0.5 m = r/2 Requir...

Q: We will take a moment tổ compare ROw BrigriLIy a Wiite uwan stal sines Compdleu 10 a leu glant 3lai....

A: Given: Tw=10,000 KTR=5,000 KRw=1100RsunRR=100Rsun we have to find ratio of Luminosity: LRLw=?

Q: Some wire of cross-sectional area 1mm? has a resistance of 20a. Determine (a) the resistance of a wi...

A: Cross sectional A1 = 10-6 m2  Resistance R1 = 20 Ω   

Q: Suppose that the average U.S. household uses 10100 kWh10100 kWh (kilowatt‑hours) of energy in a year...

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Q: The equivalent resistance of two resistors in parallel is 10 ohms. Which are possible combinations t...

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Q: Suppose a star has a luminosity of 7.0x1026 watts and an apparent brightness of 4.0x10-12 watt/m?. H...

A: Given: The luminosity is 7x1026 W. The apparent brightness is 4x10-12 W/m2.

Q: what is Vdrup at ll resistors? V=8

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Q: By increasing one these 4 times, the speed of the wave on a wire will double.  Which one?     Leng...

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Q: Find the angular velocity of a clock's second hand and the linear speed and linear acceleration of a...

A: Given value--- clock's second hand revolves one revolution in 60 second.  r = 5.34 cm. We have to ...

Q: (1b). The Earth can be considered to be a perfect black body radiator at a temperature of 134°F. Rad...

A: Write the given data. T=134 °F=329.817 KR=6390 km=6390×103 m

Q: If a block isnloaded with two 0.5 kg masses, with the spring pulling it at 30° above the horizontal,...

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Q: A force, varying with distance as shown in the graph below, acts on a 5.5 kg object. When is most wo...

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Q: e drawing shows an intravenous feeding. With the distan pod in the vein. What is the gauge pressure ...

A: Givenρ=1060 kg/m3h=0.61 m

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Q: er of free electrons by ionizing silicon atoms. The electrons flow to an electrode on the surface of...

A: We know that the formula of the current is given as  I = npqmsma                     -------------eq...

Q: Carbon-14 has a half-life of 5730 years. If you start with a sample of 24 Kg, how many Kg of Carbon-...

A: Given data:  Half life (T1/2)= 5730 years Initial quantity (N0) = 24 kg Time (t) = 17190 years Requi...

Q: 46. The mass of the Earth is 5.97 X 1024 kg, and the mass of the Moon is 7.35 X 102 kg. The distance...

A: Mass of the earth (M)= 5.97× 10²⁴ kg Mass of the moon (m)=7.35× 10²² kg Distance between them (d)= 3...

Q: in your own words what is teh definitions of the following : 1.) Magnetic induction 2.) Radio wave 3...

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Q: R 2R 2R A wire having a uniform linear charge density is bent into the shape shown below. Find the e...

A:

Q: Three vectors A, B, and E are shown above. The mass on hanger A047, ma-25grams, the mass du (3), ma ...

A: Given: mA =25 gmB=130 gmE=190 g

Q: Calculate the thicknesses required for the ARC if 600 nm lights are to be reflected from the surface...

A: Wavelength of light= 600 nm refractive index of ARC or anti reflection coating, n=3.8

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.