In a periodic table a set of properties repeats from?

A tsunami is a large wave that is caused by

You are pushing a friend on a sled. You push with a force of 20N. Your friend and the sled together have a mass of 60kg. Ignoring friction, what is the acceleration of your friend on the sled?

How does the quantum mechanical model of the atom describe electrons

What occurs when a swimmer pushes through the water to swim? A) The swimmer pushes the water forward. B) The water exerts a reaction force on the swimmer. c) The swimmer exerts a reaction force on the water.

A cello string is 0.695 m long and plays a 98.0 Hz note. What is the speed of the waves in the string? (Unit = m/s)

4. What is a compound? Name an example.

What is one important role that ocean waters have in heating Earth? absorb and transport solar energy transport nutrients and waste create and emit solar energy wear away rock and soil

Shelly was surprised to learn the dwarf planet Pluto used to be considered a planet. What would have had to be true for Pluto to remain categorized as a planet? Pluto would need to have an atmosphere.

Two uncharged metal spheres, #1 and #2, are mounted on insulating support rods. A third metal sphere, carrying a positive charge, is then placed near #2. Now a copper wire is momentarily connected between #1 and #2 and then removed.

Which waves can travel through a vacuum? A) light waves Eliminate B) ocean waves C) sound waves D) mechanical waves