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=83 A in the direction shown and can slide frictionlessly. A uniform magnetic field of magnitude 2.5 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. 11.21 B 15 35
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=83 A in the direction shown and can slide frictionlessly. A uniform magnetic field of magnitude 2.5 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. 11.21 B 15 35
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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=83 A in the direction
shown and can slide frictionlessly. A
uniform magnetic field of
magnitude 2.5 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?
В
L
Select one:
A. 11.21
О в. 15.35
OC. 18.26
O D. 19.50
O E. 9.13
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