How much force is required to pull a spring 3.0 cm from

its equilibrium position if the spring constant is 2.7x10^3 N/m?

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?

Of is j/kg·k. if a 2.6 kg of isk to k, is ?