How long would it take light from the sun to reach mercury?

How does the rate of groundwater flow compare with that of ocean currents or river currents? Choose one: A. The rate of groundwater flow is faster than that of surface-water currents. B.

What should be the setting for a dual-voltage selector switch on a power supply when using the computer in the united states?

A red opaque object A. absorbs all colors of the visible spectrum equally. B. reflects red light only. C. absorbs red light only. D. reflects all colors of the visible spectrum but red.

Jack (mass 55.0 kg) is sliding due east with speed 8.00 m>s on the surface of a frozen pond. he collides with jill (mass 48.0 kg), who is initially at rest. after the collision, jack is traveling at 5.00 m>s in a direction 34.0° north of east.

A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box?

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

What are starburst galaxies and what do they have to do with galaxy evolution?