Answer : Smaller than 9.8 m/s2
As the bar magnet moves into the wire, because of the flux change current will induce in the wire. This induced current will appose the magnet. Thus, acceleration of the magnet will decrease by some amount and it will be lesser than 9.8 m/s2
A bar magnet is released from rest some height above the center of a loop wire...
Q4 A bar magnet is held above a loop of wire in a horizontal plane, as shown in Figure. According to the Lenz's law (write the Lenz's law), find the direction of the induced current through the resistor (a) while the magnet is falling toward the loop and (b) after the magnet has passed through the loop and moves away from it (draw the magnetic field lines of both the magnet and loop). R
A bead slides without friction around a loop-the-loop. The bead is released from a height 27.5 m from the bottom of the loop- the-loop which has a radius 9 m. The acceleration of gravity is 9.8 m/s2 . A) How large is the normal force on it at point A if its mass is 6 g
A slender, 340- g bar magnet 15.0 cm long has a magnetic moment of 5.90 A m2. It is held at an angle of 45 o to the direction of a uniform magnetic field. When released, it begins to rotate about its center with an initial angular acceleration of 5.89×103 rad/s2. What is the magnitude of the magnetic field?
(c19p12) A slender, 300- g bar magnet 25.0 cm long has a magnetic moment of 5.90 A m2. It is held at an angle of 45 o to the direction of a uniform magnetic field. When released, it begins to rotate about its center with an initial angular acceleration of 5.87×102 rad/s2. What is the magnitude of the magnetic field?
An electron is released from rest at a perpendicular distance of 8.2 cm from a line of charge on a very long nonconducting rod. That charge is uniformly distributed, with 6.0 µC per meter. What is the magnitude of the electron's initial acceleration? __________________ m/s2
An electron is released from rest at a perpendicular distance of 9.5 cm from a line of charge on a very long nonconducting rod. That charge is uniformly distributed, with 7.0 µC per meter. What is the magnitude of the electron's initial acceleration? m/s2
answer all Q pls
8. A bar magnet is dropped through a loop of copper wire as shown. Recall that ou magnet, magnetic field lines point away from a north pole and toward a south p positive direction of the induced current I in the loop is as shown by the arrows on the loop, the variation of I with time as the bar magnet falls through th by which of the following graphs (the time when the midpoint of...
A bead with a hole through it slides on a wire track. The wire is threaded through the hole in the bead, and the bead slides without friction around a loop-the-loop (see figure below). The bead is released from rest at a height h = 3.90R.
Two equally charged particles, held 3.6 × 10-3 m apart, are released from rest. The initial acceleration of the first particle is observed to be 9.6 m/s2 and that of the second to be 13 m/s2. If the mass of the first particle is 6.8 × 10-7 kg, what are (a) the mass of the second particle and (b) the magnitude of the charge of each particle?
Two equally charged particles, held 4.2 × 10-3 m apart, are released from rest. The initial acceleration of the first particle is observed to be 9.4 m/s2 and that of the second to be 11 m/s2. If the mass of the first particle is 8.2 × 10-7 kg, what are (a) the mass of the second particle and (b) the magnitude of the charge of each particle?