The number of waves that pass a particular point in a unit of time is called the of the waves. (a) rarefaction (b) compression (c) amplitude (d) frequency

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress.

The theory that light exists in quantized "chunks" was proposed in response to which of the following? a. electron interference patterns o b. discovery of planck's constant o c. the ultraviolet catastrophe o d. emission spectra