What’s the efficiency of a car that uses 400,000 j of energy from gasoline to make 48,000 j of kinetic
energy?

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 the scientific definition of energy that relates to work

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?