You are riding on a roller coaster that starts from rest at a height of 25. 0 m and moves down a frictionless track to a height of 3. 00 m. How fast are you moving when you arrive at the 3. 00-m height?.

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