What are some strong sources of gravitational waves that astronomers hope to detect in the future?

A stone is thrown vertically upwards with a speed of 30.0 m/s. (a) what's its speed when it reaches 20.0 meters? (b) What is the maximum height?

What is a biomarker? Give some possible examples of biomarkers we might look for beyond the solar system.

How does radiation move?

A ball is kicked into the air at time t = 0. While the ball is in the air, its height above the ground after t seconds is - 16t^2 + 40t feet. How many seconds after the ball is kicked will it hit the ground?

Which element would most likely form an lonic bond with nitrogen (N) ? 0 Р c к

A solid nonconducting sphere of radius r has a charge q uniformly distributed throughout its volume. a gaussian surface of radius r with r < r is used to calculate the magnitude of the electric field e at a distance r from the center of the sphere.

How do the properties of salt compare with the properties of sodium and chlorine

Solve the problem. The Bay area of California was shaken by an earthquake on October 17, 1989. The epicenter was located at Loma Prieta. The diameter of the earthquake's horizontal waves that shocked the area measured about 120 miles.

Lightning is an example of matter in a liquid state. True False i am trying recheck my answers before i do i finish my home work so if i post a lot of questions i am srry ... ?

You want to place a mirror at a blind turn on the staircase in your house. Which would be best suited for this purpose? a. flat mirror b. plane mirror c. convex mirror d. concave mirror