Assume that an atom in a metallie crystal belhaves like a mass on a spring. let the angular frequency of oscillation of a copper atom be ω-10' radians/sec, and the copper mass to be 63 hydrogen masses. calculate the atom's classical amplitude of zero-point motion.

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?