Homework Help: College physics

Posted by Amanda on Monday, June 6, 2011 at 11:13am.

An airplane is cruising along in a horizontal level flight at a constant velocity, heading due west.
(a) If the weight of the plane is 5.54 104 N, what is the net force on the plane?

(b) With what force does the air push upward on the plane?

College physics - bobpursley, Monday, June 6, 2011 at 11:14am
This is a thinking exercise.

a) CONSTANT VELOCITY, zero acceleration.
netforce=mass*acceleration

b) What is the weight of the airplane?
College physics - Amanda, Monday, June 6, 2011 at 11:20am
The weight of the airplane is 5.54*10^4
College physics - Ryan, Monday, June 6, 2011 at 11:22am
Thanks for your help
College physics pls help - dan pogi, Tuesday, June 28, 2011 at 9:43am
A sound source producing 1.00-{\rm kHz} waves moves toward a stationary listener atone-half the speed of sound.
The frequency that the listener will hear is2000 Hz.
when the source is stationary and the listener moves towardthe source at one-half the speed of sound, the frequency that thelistener hear became 1500 Hz.
Explain on physical grounds why thetwo frequencies differ.

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