How far away is an object that is one light year from earth?

Two small space probes have been slowed to 10m/s as they approach the moon from the same direction. Probe 1 has a mass of 86kg and probe 2 has a mass of 100kg what is their total momentum

The rotational inertia of an object is greater when most of the mass is located near the center. away from the rotational axis. on the rotational axis. off-center.

Are cosmic rays and gamma rays invisible or do they have color?

How long must a current of 100ma flow so as to transfer a charge of 80c

The star Eta Carinae is a dying, unstable supergiant. It has sporadic episodes where its own light output rips its outer layers off and throws them off into space, revealing deeper, hotter parts of the stars innards in events known as eruptions.

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity