When a star is moving away the light waves appear to be ...

Red

Blue

Green

Yellow

If you engage in seasonal sports, such as skiing, what should you do in the off-season?

When a particle vibrates and passes to the next vibration what happens?

The temperature that sound moves through the air more quickly

What effects do oceans have on climate? A. Ocean winds bring rain and fog and often bring warm water that keeps the climate mild. B. Ocean winds usually bring snow and freezing temperatures. C. Ocean winds often deliver very hot air and dry weather.

How much power does it take to do 450J of work in 5 sec

When two bodies are charged, the total charge before and after charging remains the same because of: a. quantization of charges c. law of induction b. conservation of charges d. Coulomb's law

Two water balloons of mass 0.75 kg collide and bounce off of each other without breaking. Before the collision, one water balloon moved at a velocity of 3.5 m/s east, while the other moved at a velocity of 2.75 m/s west.

A solvent is A. a substance that is dissolved in a solution. B. a substance that causes other substances to enter the plasma phase. C. a substance that causes protons to be extracted from the nucleus. D. a substance that dissolves another substance.

This type of wave is reflected by particles in the ionosphere

a boy stands 80m in front of a tall cliff and produces sound by clapping two planks together. A girl standing next to him time the return of the echo at 0.5. how fast does sound wave travel in this place