Why doesn't the moon move away from the earth

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

Why does a bouncing ball rise to a lower height with each bounce? What energy conversion is taking place?

Although you can see the pencil, it appears broken in the glass of water. This is because A) electromagnetic waves cannot travel through solids. B) electromagnetic waves travel at different speeds through different media.

9. Identify What does mechanical advantage measure?

The light intensity of a source in 100 candelas. The illuminance on a surface is 4 lux. How far is the surface from the source?

Sound waves are mechanical waves in which the particles in the medium vibrate ina direction parrallel to the direction of energy transport. What is another name of the type of wave that transfers energy in this way?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.