A A flying plane with a total surface area of 200 m2., air acts on the plane body with a force
of 8000000N. Find the air
pressure.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes