13. **What function should you put in cells C2 in order to accurately calculate the velocity in your experiment? (Write
this function exactly as you would type it into the cell.)

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

Which is the most accurate name for the ionic compound cas?