Please answer 4. What is the net force being applied to the airplane?
5. What is the direction of acceleration?
How do you know?
6. Will this airplane be able to fly? How did you know!

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?