7.Which of these best describe the difference between speed and velocity

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.