Work can be done on the catapult quite slowly, when the elastic is slowly stretched. This provides a store of elastic potential energy, which can be expended quite quickly in accelerating the stone...
depends on what type of catapult:Trebuchet:lowering the throwing arm raises the weighted end, increasing the gravitational potential of the weighted end. when the catapult is released, gravitational...
The sphygmomanometer ,commonly called a blood pressure cuff ,is an instrument used to obtain blood pressure readings by the ausculatory method.
It consists of an inflatable cuff with an attached...