A force of 16 N is applied to a 2 kg mass over 4 m. The surface is horizontal and frictionless. If the object is initially at rest; (a) Find the work done.

(b) Find the change in kinetic energy.

(c) Calculate the final speed.

What happens to atoms and chemical bonds during a reaction?

Which best represents the law of conservation of mass ?

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.