A child does 0. 20 joule of work to compress the spring in a pop-up toy. If the mass of the toy is 0. 010 kilogram, what is the maximum vertical height that the toy can reach after the spring is released?.

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same