Anato base in northern norway is warmed with a heat pump that uses 7.0 °c ocean water as the cold reservoir. heat extracted from the ocean water warms fluid to 80°c; this warmed fluid is used to heat the building. when the system is working at full capacity, 2,000 kw of heat is delivered to the building at the cost of 600 kw of electric energy. a. what is the actual coefficient of performance of the system? b. what is the theoretical maximum coefficient of performance of the system?

The dipole moment of the water molecule (h2o) is 6.17x10^-30 c. m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?

The flow of electrons from one atom to another is called

2) why do satelites not fall while revolving around the earth?