If you were able to measure the motion of all particles of a sample and you used this data to find the average you would actually be measuring what

Which characteristics can be used to differentiate star systems? Select three options A. the number of stars in the system B. the level of dust and gas C. the age of the stars in the system D. the way stars are organized in the system E.

On a spring break vacation you decide to visit the grand canyon near flagstaff, arizona. then you head south to visit some friends in phoenix, arizona. while on the drive you notice that the temperature is increasing along the route.

In which situations is the principle of cross-cutting relationships useful in determining relative age? Check all that apply. A fault breaks through sedimentary layers. The formation of an intrusion in the Earth's surface.

When galaxies move away from us they appear to have a "red shift" in color. Explain why this happens.

What is the speed of an object that moves 100 km in 45 minutes?

An automobile travels on a straight road for 25 km at 32 km/h. it then continues in the same direction for another 25 km at 64 km/h.

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.