A vertical spring has a spring constant of 100. Newtons per meter. When an object is attached to the bottom of the spring, the spring changes from its unstretched length of 0. 50 meter to a length of 0. 65 meter. The magnitude of the weight of the attached object is.

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