A metal stick with mass 0.5 kg and length 0.6 m is at rest horizontally on conducting wires shown below (not attached to the wires). The stick has a resistance of 10 Q and it is in a uniform magnetic field (B=2.00 T). Find the acceleration of the metal stick just after the switch is closed. (g=9.8 m/s²) 25.0 N 120.0 V 10.0 N3
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- 2. A 0.750 m long solenoid, 0.024 m in diameter, has 9600 turns of wire. A current of 18 A flows in the solenoid. A particle with a charge of 3.0 x 10-10 C inside the solenoid travels perpendicular to the axis of the solenoid with a speed of 5.7 x 10° m/s. Find the magnitude of the magnetic force acting on the particle. (hint: find the magnetic field strength inside the solenoid first) solenoidSee the attached figure for this problem. A charge of 9.26 x 10^6 C moves to the right as shown through a region containing both a magnetic field of strength 2.94 T directed into the screen and an electric field of strength 6.76 x 10^5 N/C directed downward. The charge continues through the region at a constant velocity (no acceleration). What is the charge s speed?An electron enters a region of space containing a uniform 2.89 × 10-³ T magnetic field. Its speed is 163 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius r of the electron's path and the frequency f of the motion. r = m %3D Hz
- An electron moves through a uniform electric field E = (2.60î + 4.80ĵ) V/m and a uniform magnetic field B = 0.400 T.Determine the acceleration of the electron when it has a velocity v = 11.0î m/s.(Give each component in m/s2.) ax= m/s2 ay= m/s2 az= m/s2A proton moves through a region containing a uniform electric field given by = 66.0 ĵ V/m and a uniform magnetic field = (0.200 î + 0.300 ĵ + 0.400 ) T. Determine the acceleration of the proton when it has a velocity = 230 î m/sAn proton moves with a speed of 5.0 × 10^5 m/s along the +x-axis. It enters a region where there is a magnetic field of 3.0 T, directed in the y-axis. Calculate the magnitude of the acceleration of the proton. (q = 1.60 × 10~19 c, me1 = 1.67 × 1027 kg) O o m/s? O 1.3 x 1018 m/s² O 1.5x 1014 m/s² O 1.3 x 10-18 m/s² O 3.0 x 10-18 m/s²
- An electron enters a region of space containing a uniform 2.73 x 10-³ T magnetic field. Its speed is 125 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius r of the electron's path and the frequency f of the motion. r = m f = Hz= The figure shows a solid metal object moving through a uniform magnetic field given by B (7.00 x 10-2T) k. The motion creates a potential difference of 1.30 x 103 V across the object, with the (unseen) bottom face negatively charged. What is the speed (m/s) of the object? d₁=5.00 x 102 m, d2= 3.00 x 102 m, d3 = 2.00 × 10² m. A do dsA 2.60N metal bar, 1.50 m long and having a resistance of 10 ohms, rests horizontally on conducting wires connecting it to the circuit. The bar is in a uniform magnetic field B = 1.6 T and is not attached to the wires in the circuit. What is the acceleration of the bar just after the 25.0 2 xS x switch is closed? 10.0 N3 X. 120.0 V