Two balloons are charged with an identical quantity and type of charge: 0.004 C. They
are held apart at a separation distance of 5 m. Determine the magnitude of the electrical force of repulsion between them.

What is the effect of returning nuclear reactor cooling water back into bodies of water?

How can the periodic table be used to predict the behavior of elements?

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.