Friction in a pipe flow causes a slight pressure decrease and a slight temperature increase. How does that affect the entropy?.

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

What are the north and south poles of a solenoid change with?