Achild jumps on a trampoline. what causes the child to rise in the air?

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

The heliocentric and the geocentric models of the solar system included these central principles

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