What are the two different focus knobs on a microscope called

A motor does 8000j of work in 20 seconds. What is the power of the motor

As water across the surface of the earth it dissolves material as it travels. What property of water does this demonstrate?

The solar system formed from the A. collision of two massive stars. B. collapse of an interstellar cloud. C. explosion of an interstellar sun. D. grouping together of asteroids.

How does traction control increase safety?

Which describes what happens when a wave transfers energy?

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?

Why is thebsun so bright and hot?