The energy transformed in an inductor during a portion of a cycle
A)
is always positive.
B)
may be positive, negative, or zero.
C)
is always negative.
D)
is always zero.
E)
is never zero.
Question 2
A solid disk is released from rest and rolls without slipping down an inclined plane that makes an angle of 25.0 with the horizontal. What is the speed of the disk after it has rolled 3.00 m, measured along the plane?
A)
2.04 m/s
B)
3.53 m/s
C)
4.07 m/s
D)
5.71 m/s
E)
6.29 m/s
