Which of the following astronomical bodies is the highest in hierarchy

earth

galaxy

solar system

star

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

A horizontal turntable (disc) of mass = 5kg, radius = 1.80m, is spinning about its center at the rate of 5 rad/s. A lump of mass 0.800 kg falls on it vertically and sticks to it at a distance of 1.20 m from the center.

Because the universe is expanding what happena to light from other galaxies as it reaches earth

What is the ph of ammonia

What is a complete wave?

How could you determine the instantaneous speed during a trip?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container. In what phase of matter are the molecules in the container?

What do we call the region around a magnet where it exerts its magnetic force?

If an astronomer claims to have discovered an object with a very eccentric orbit, what best describes the orbital trajectory of the object?

This gland lets your body use energy