If the ball has a mass of 2.00 kg and is moving at a velocity of 4.50 m/s at point B, what is the height of the hill at point D if the ball is still moving at 1.00 m/s? 4

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.