the barometric height at sea level is 76cm of Mercury while at a point of Mercury on a highland it is 74 cm of mercury .what is the altitude of the ?(take g 10m/s² density of mercury 13600kg/m³ and density of air is 1.25kg/m³​

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

What is the increase in density of a medium due to wave travel?