Difference between the speed and velocity?​

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Phase changes are chemical changes. true or false

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?