Which of the following are required to create a mechanical wave? A. a medium to carry the wave
B. a vacuum
C. empty space
D. an object to receive the wave

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?