4.Write your conclusions about the conservation of the mechanical energy over the time between the first and the last oscillations that you observed. What do you think can account for the percentage differences

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

What is special about a dc circuit ?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius