Determine the height of the Azkaban tower if at 80 feet from the base, the elevation angle to the top of the tower is 45°.

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

What is the lcm of 16 and 40 ? 24 and 40 ?