In an experiment, which variable do you change

Some fabrics build a more charges than others because A:they are better insulators B:they are worse insulators C: they are better conductors

which combination of elements below will bond ionically in the same ratio as lithium when it honds to sulfur

Choose the option that correctly answers and explains the question, "If the sum of the forces acting on an object equals zero, does this imply the object is at rest?

What is the average speed and the average velocity of a car that is one complete don't know if the distance traveled was 120 m and it took five seconds to do the complete donut?

A cube of ice is taken from the freezer at - 5.5 ∘C and placed in a 75-g aluminum calorimeter filled with 300 g of water at room temperature of 20.0 ∘C. The final situation is observed to be all water at 17.0 ∘C.

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.