as you hold your leg in this position, the upper leg exerts a force on the lower leg at the knee joint. what is the magnitude of this force?

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

Which sound characteristic is not affected by the relative motion of an object

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.