A structure containing air is attached to the floor of a lake. A rectangular hatch 2m in length and 1 m in width (into page) is located on an inclined wall and hinged on one end. Neglecting the weight of the hatch and friction in the hinge determine the minimum gauge pressure within the structure necessary to open the hatch. g

choosing tennis and golf balls is your inde choice.

their mass and volume are dep

i think it's 35 meters

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.