Which two body systems work together closely to produce movement in human limbs

A luge and its rider, with a total mass of 85 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 37 m/s. If a force slows them to a stop at a constant rate of 2.

Why do you think most models show the scale sizes of the planets but do not show the scale distances between the planets?

The name of a sedimentary rock is usually based on: A) its history B) its degree of lithification C) its grain size D) its thickness

What type of thermodynamic system is best to use to describe an operating automobile engine? A) Open O B) Dilated O C) Isolated (D) Closed Save

Which of the following best explains why the Moon's orbital period and rotation period are the same? a. The Moon was once closer to Earth, but the force of gravity got weaker as the Moon moved farther away. b.

Potential energy and kinetic energy are created when work is done to change a position (PE) or a state of motion (KE). Ignoring friction, how does the amount of work done to make the change compare to the amount of PE or KE created? a.

The wavelength of a wave is the wavelength of a wave is how strong the wave is. equal to the speed of the wave times the wave's frequency. the distance between where the wave is emitted and where it is absorbed.

What is a carbon whip?

2 A scientific theory is

Explain the roles of Earth's own energy sources and solar energy in the rock cycle