Displacement vetors of 4 km south, 2 km north, 5 km south and 5 km north combine to a total displacement of?
1. 16 km north.
2. 11 km west.
3. 6 km south.
4. 2 km south.

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

Positrons are spontaneously emitted from the nuclei of

Which governments provide garbage collection services to homes and businesses