After heavy rains, the floodplain of a river can deposit sediment. the newly deposited soil is nutrient rich and would be good a. to use in a construction area. b. for growing vegetation and crops. c. for holding objects in the ground. d. to use as food for farm animals.

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600