What are potential sources of error in Marta's
experiment?

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

Which situation will produce the greatest change of momentum

What part of the ear is names after tools, such as the hammer and the anvil?