Why are convex lenses known
as converging lenses?

Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.

J. j. thomson’s experiment disproved the theory that an atom

What is similar between metals and suspensions