The height of a horse is sometimes given in units of "hands." Why was this a poor standard of length before it was redefined to refer to exactly 4in.?

A quantity found by multiplying the force by the distance moved

Explain Alfred wegener's hypothesis

In the absence of friction, gravity, and all other external forces, what kind of speed will an object display if it travels from the bottom to the top of an inclined plane? A. constant speed B. increasing speed C. decreasing speed D.

Kinesiology is the study of human movement

Match the terms correctly Lithium A) Highly reactive gas Lead B) Nonreactive gas Fluorine C) Malleable, soft, and shiny Krypton D) Opaque solid with higher density

An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is. If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

How does the law of conservation of energy apply to machines? -Machines create energy from scratch. -Machines consume energy until no energy remains. -Energy transferred to a machine equals energy transferred from it.

As you turn up the volume on your mp3 player you are increasing

Which event would lead to an overpopulation of a species within a food web A. The grass was eaten by the rabbits stopped growing B. The population of wolves who ate the rabbits decreased C. The grasshopper were affected by the diseased grass D.

Which of the following is true A) land heats less rapidly than water B) land heats more rapidly than water C) land reaches higher temperatures than water D) both b and c