When a 5 kilogram mass is

raised vertically

2 meters from the ground, what is its gain in potential energy?

A laboratory dish, 20 cm in diameter, is half filled with water. One at a time, 0.50/µL drops of oil from a micropipette are dropped onto the surface of the water, where they spread out into a uniform thin film.

Birds fly south for the winter. bats hibernate during winter. what are these examples of

Sue observes a clear plastic, millimeter ruler under low power of her microscope. She sees three divisions of the ruler. What would be the field diameter of Sue's microscope on low power? (in micrometers ('µm')

Which of the following is an example of a material that allows electrons to easily move through it? Conductor Neutral Insulator A charged material

What is table salt (NaCl) formed by? The combination of two nonmetals. The splitting apart of a metal and a nonmetal. The combination of a metal and a nonmetal. The combination of two metals.

Why do stars have names

Which of these reactions is responsible for energy radiating from stars, including the sun?

Why do liquids flow? A liquid particles are wet? b liquid particles are smooth? c Liquid particles are not fixed in place? d liquid particles are attracted to each other? I think the answer is D

Identify at least two ways that runoff can negatively impact an ecosystem.

How do we know that the universe is getting bigger faster and faster?