When you take apart an electric drill or a blender, the motors have two sets of coils, one
that is free to rotate and one that is fixed in
place. Shown at the right is the motor for an
immersion blender with the rotating coils
separated. Can you explain what each set of
coils is for in terms of the right hand rule?

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.