Which of the following energy transformations represents the operation of a wind turbine a device that uses the wind as an energy resource?
A) Thermal E Electric E B) Electric E Kin E
C) Grav E Electric E D) Kin E Electric E
Question 2
A plane has an airspeed of 142 m/s. A 30.0 m/s wind is blowing southward at the same time as the plane is flying. What must be the heading of the plane in order to move directly eastward relative to the ground?
A) 77.8 north of east
B) 55.3 north of east
C) 12.2 north of east
D) 11.9 north of east
E) 78.1 north of east
Bonding Partners and Energy May Change in a Chemical Reaction
Historical U.S. Energy Use
A turbocharger uses some of the heat energy that would normally be wasted.
Kinetic Energy
Renewable Energy Efforts
Which of the following represents a reaction coordinate diagram for a chemical reaction whose ...