If you drop a ball, and then one second later drop a ball identical in mass, size and shape, what happens to the distance between them as they fall?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Photons with the highest energy have the longest period