A rock is dropped into a well hits the water in 5 secs. if there is no air resistance, what would be the rocks final speed?

When the area over which pressure is applied is increased, a. the pressure decreases. b. the force on that area increases. c. the pressure increases. d. the pressure first increases and then decreases.

In this example, the bottle, made of plastic, has solid matter that allows for conduction of heat. What happens if in between the juice and the ice water there are no molecules? (Hint, think Yeti)

Susan's monthly energy usage is shown in the table. If it costs $0.20 per kWh, what will Susan's monthly bill cost? Round your answer to the nearest cent.

A coin mass 0.005 kg is dropped from a height of 3 m. How much mechanical energy does it have right before it hits the ground?

Explain how atmospheric carbon is incorporated into two oceanic sinks.

Which reaction obeys the law of conservation of mass?

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.