The escape of molecules from the surface of a liquid is known as select one: a. condensation b. boiling c. evaporation d. sublimation

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude

What is the role of lenses in microscopy?