A balloon is inflated from negligible initial volume to 300 cm3. How much work is done by the balloon on the surroundings if the pressure opposing expansion is 1 bar

Blank liquids and gases exert a buoyant force on objects placed in them

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel