Which of the following best explains how airplanes stay afloat?
a. bernoulli's principle
b. archimedes' principle
c. flow rate equation
d. pascal's principle

For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?