Measure: Click Reset. Set the frequency (fsource) to 1000 Hz. Change the velocity of the sound source (vsource) to 200 m/s. (The car is now an airplane.) At upper right, turn on the Observed frequency (Hz) checkbox. Drag the observer onto the road. Click Play, and then click Pause when the sound waves first reach the observer. What is the frequency of sound waves in front of the plane

it is easily magnetized.

the answer is 3.1 his answer is wrong mines is right

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.