If you put two electrons next to each other, would they attract or repel each other? Explain your answer.

4. Which of the following is the term used to describe a body's resistance to a change in motion?

A horse began running due east and covered 25km in 4.0hr. What is the average velocity of the hourse?

Canada geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about 100 km/h.

How old is a bone that has 12.5% of the original amount radioactive carbon 14 remaining?

How is conductivity related to resistance?

The stored energy an object has due to its position is potential energy. True or False?

Describe two changes of state that releases energy

A student is trying to determine if a solution is acidic or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution? vinegar soap cabbage juice aquarium water

How many grams of ice at 0°c will melt if 1.50 kj of heat are added? (the molar heat of fusion of water is 6.01 kj/mol.) 4.49 g 12.0 g 7.51 g 2.99 g?

Describe two ways of detecting black holes in space.