Negative charges repel positive charges.

a. true or

b. false

What is the difference between work and power

19. When baking soda and vinegar are combined, the result is a salt called sodium acetate. This forms many bubbles of carbon dioxide gas and water.

How might acid precipitation affect local economies?

The actual mechacl advantage of a machaine.

What is the scientific term for this type of wave that was produced by a drum?

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.

Niko was hiking in the mountains when he found a spring, or a place where water naturally flows out of the ground. Where did the water in the spring come from? A. It is water that was squeezed out of an igneous rock when the rock changed. B.

Is mount st. Helen still active today