A conductor of mass 0.720 kg rests on two parallel rails as in the figure that is d=12.0 cm apart and L=45.0 cm long. The conductor carries a current of I=86.4 A in the direction shown and can slide frictionlessly. A uniform magnetic field of magnitude 0.2 Tis directed perpendicular to the conductor and the rails. If it starts from rest, what is the kinetic energy ( in J) of the conductor as it leaves the rails? L. Select one: O A. 0.93 2. O B. 1.52 Oc. 1.28 OD. 1.62 O E. 0.76
A conductor of mass 0.720 kg rests on two parallel rails as in the figure that is d=12.0 cm apart and L=45.0 cm long. The conductor carries a current of I=86.4 A in the direction shown and can slide frictionlessly. A uniform magnetic field of magnitude 0.2 Tis directed perpendicular to the conductor and the rails. If it starts from rest, what is the kinetic energy ( in J) of the conductor as it leaves the rails? L. Select one: O A. 0.93 2. O B. 1.52 Oc. 1.28 OD. 1.62 O E. 0.76
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Transcribed Image Text:A conductor of mass 0.720 kg
rests on two parallel rails as in
the figure that is d=12.0 cm
apart and L=45.0 cm long. The
conductor carries a current of
I=86.4 A in the direction
shown and can slide
frictionlessly. A uniform
magnetic field of magnitude
0.2 T is directed perpendicular
to the conductor and the rails.
If it starts from rest, what is
the kinetic energy ( in J) of the
conductor as it leaves the
rails?
L.
Select one:
O A. 0.93
2.
OB. 1.52
Ос. 1.28
OD. 1.62
O E. 0.76
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