Explain why the air we breathe and solids, such as steel and bronze, are solutions or homogeneous mixtures, just like salt water is?

The frequency of the sound waves detected by a detector is exactly equal to the frequency of the sound waves emitted by a source. What can we say about the relative motion of the detector and source? A. Both are at rest. B.

Mrs. Jensen drives her car from New York to Town X, a distance of 437 km. The trip takes 7.27 hours. To calculate the average velocity for this trip, what additional information is needed -the direction of travel from New York to Town X -the length

What do these compounds have in common H2O cl2 NH3

In assigning a value for the most pessimistic (b) duration, the project manager should estimate the duration of the activity to have a 99% likelihood that it will take b or less amount of time. a) true b) false

A hall probe serves to measure magnetic field strength. such a probe consists of a poor conductor 0.155 mm thick, whose charge-carrier density is 1.05 * 1025 m3. when a 2.67-a current flows through the probe, the hall voltage is measured to be 4.

What is a lever used for?

What did the romans build as a step toward environment management

Accelerations are produced by equal forces or unequal forces?

A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave's motion. The wave is a. longitudinal. c. electromagnetic. b. a pulse. d. transverse.

Two carts undergo an inelastic collision where they stick together. Cart A has an initial velocity v0, and the second cart B is initially at rest.