In the figure, a metal wire of mass m = 25.2 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 2.01 cm. The track lies in a vertical uniform magnetic field of magnitude 67.3 mT. At time t = 0s, device G is connected to the rails, producing a constant current i = 7.67 mA in the wire and rails (even as the wire moves). At t = 47.3 ms, what are the wire's (a) speed and (b) direction of motion? (a) Number (b) Units m B
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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: The two conducting rails in the drawing are tilted upward so they each make an angle of 30.0° with…
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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
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- In the figure, a metal wire of mass m = 30.0 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 1.36 cm. The track lies in a vertical uniform magnetic field of magnitude 65.2 mT. At time t = 0 s, device G is connected to the rails, producing a constant current i = 7.80 mA in the wire and rails (even as the wire moves). At t = 74.5 ms, what are the wire's speed of motion? 9. B (a) 0.0136 m/s (b) 0.0158 m/s (c) 0.0172 m/s (d) 0.0196 m/s (e) None of the aboveA bar slides to the right at a constant speed of 2.1 m/s on two frictionless rails. The resistance of resistor R is 5.2 Q, and a 2.5 T constant magnetic field is directed perpendicularly downward, into the page. Let e = 1.2 m. Bin x x app x x (a) Find the current passing through the resistor. A I = (b) The direction of magnetic force on the moving bar is O No magnetic force O Right O Left O Out of the page O Into the page 1 x x x X x x x x X X x x * * x x x * * x x x x x x xx X X x xAn aluminum bar of length l = 7.00 cm slides along metal rails through a magnetic field B = 2.40 T. The switch closes at t = 0 s, while the bar is at rest, and a battery of emf εbat = 4.16 V starts a current flowing around the loop. Solve for the terminal velocity if the battery has an internal resistance r = 0.240 Ω and the resistance of the rails and the bar are negligible.
- In the figure, a metal wire of mass m = 20.7 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 3.78 cm. The track lies in a vertical uniform magnetic field of magnitude 56.4 mT. At time t = 0 s, device G is connected to the rails, producing a constant current i = 9.21 mA in the wire and rails (even as the wire moves). At t = 78.4 ms, what are the wire's (a) speed and (b) direction of motion? (a) Number (b) A i Jak Units B B AA solid conducting bar is free to move across two ends of a conducting U shape of wire that are separated by L=25 cm. On the base of the U shape is a resistor R=20 ohms. The whole apparatus is in a constant magnetic field B=0.7 T pointing out of the page. If the conducting bar has negligent resistance itself and is moved to the right at a constant velocity of 12 m/s, what is the magnitude and direction of the current induced in the loop? a) 0.11 A, clockwise b) 0.11 A, counterclockwise c) 2.1 A, clockwise d) 2.1 A, counterclockwiseA loop of wire with radius r= 0.183 m is in a magnetic field of magnitude B as shown in the figure. The magnetic field is perpendicular to the plane of the loop. B changes from B1= 0.22 T to B2= 7.5 T in Δt = 7.5 s at a constant rate. (a) Express the magnetic flux Φ going through a loop of radius r assuming a constant magnetic field B. (b) Express the change in the magnetic flux going through this loop, ΔΦ, in terms of B1, B2 and r. (c) Express the magnitude of the average induced electric field, E, induced in the loop in terms of ΔΦ, r and Δt.
- In the figure, an electron with an initial kinetic energy of 3.80 keV enters region 1 at time t = 0. That region contains a uniform magnetic field directed into the page, with magnitude 0.00620 T. The electron goes through a half-circle and then exits region 1, headed toward region 2 across a gap of 22.0 cm. There is an electric potential difference AV = 2000 V across the gap, with a polarity such that the electron's speed increases uniformly as it traverses the gap. Region 2 contains a uniform magnetic field directed out of the page, with magnitude 0.0157 T. The electron goes through a half-circle and then leaves region 2. At what time t does it leave? B₁ Region 1 Number i Units Region 2 OB₂A 1.00 C charge enters a uniform magnetic field. The magnetic field vector has the following components: 1.00 T in the x-direction, 2.00 T in the y-direction, and 3.00 T in the z-direction. The particle enters the magnetic field with a constant velocity whose components are as follows: 4.00 m/s in the x-direction, 5.00 m/s in the y-direction, and 6.00 m/s in the z-direction. - What are the components of the magnetic force in the particle? (Fx, Fy, and Fz) - What is the magnitude of the magnetic force?A charged particle of mass m = 7.2X10-8 kg, moving with constant velocity in the y-direction enters a region containing a constant magnetic field B = 1.8T aligned with the positive z-axis as shown. The particle enters the region at (x,y) = (0.74 m, 0) and leaves the region at (x,y) = 0, 0.74 m a time t = 691 µs after it entered the region. %3D 1) With what speed v did the particle enter the region containing the magnetic field? 1681.3 m/s Submit 2) What is Fx, the x-component of the force on the particle at a time t1 230.3 µs after it entered the region containing the magnetic field. %3D -0.2382 N Submit + 3) What is Fy, the y-component of the force on the particle at a time t1 = 230.3 µs after it entered the region containing the magnetic field. -0.1375 N Submit 4) What is q, the charge of the particle? Be sure to include the correct sign. µC Submit