1) Halving the distance (i. s., decreasing by a factor of two) between two charged objects will cause the electrical force between them to be ___ the initial force

A satellite of mass m takes time t to orbit a planet. if the satellite had twice as much mass, the time for it to orbit the planet would be:

Which of the following describes effort force?

In a hydroelectric power station, how much potential energy is lost by 100tonnes of water flowing down through the pipes, falling a vertical distance of 200metres? [1tonne=1000kg.]

Briefly describe the hydrologic cycle.

Pamela drove her car 999999 kilometers and used 999 liters of fuel. she wants to know how many kilometers (k) (k) left parenthesis, k, right parenthesis she can drive with 121212 liters of fuel.

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