A pulse is created on a spring with a fixed end. What happens to the wave after it hits the fixed end?

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

You would do 1500/4 and the answer is 375

Isec i will do it and them i will let you know

4.49 gramshope that fren : )