Mechanical energy is the energy due to the _ and _ of an object.

the choices are size, volume, motions, surface area, density, and position.

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage

Which lists the organs in the correct order as food passes from the mouth to anus?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?