Planes' cockpits are equipped with a device called altimeter that shows the plane's altitude The altimeter is based on measuring outside atmospheric pressure. What altitude the altimeter would display if the pressure outside the plane is 0.875 x 105 Pa

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?