If the speed of a ball increased from 1m/s to 4m/s, by how much would the kinetic energy increase

Quartz gold and calcite are examples of? coal is what

The wavelength of light visible to the human eye is on the order of 5 x 10-7 m. if the speed of light in air is 3 x 108 m/s, find the frequency of the lightwave.

During which stage of prophase i does crossing over take place?

This is the constructive or destructive overlap of waves. Example: the high pitched feedback when a microphone gets too close to a speaker

The burning of coal is used to heat water in a coal-burning power plant. TRUE or FALSE?

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?