Tuesday
July 22, 2014

Homework Help: Physics

Posted by Johnny on Sunday, September 5, 2010 at 7:12pm.

I have two I need help with!

1. An airplane is flying in a horizontal flight level at constant velocity, heading due east. If the weight of the plane is 2.6 x 10^4 N, what is the net force on the plane?
a)-2.6x10^4 N
b)2.6x10^4 N
c)0.0 N
d) that due to gravity, which is 2.5x10^5 N
e)need to know the thrust, drag, and buoyant force

2a.A 320-kg satellite is in orbit around the earth 16,000km above the earths surface. What is the weight of the satellite when in orbit
a)314 N
b) 320 kg
c) 120 N
d)250 N
e)498 N
2b.Whats the weight of the same satellite when it is on the earths surface, just before being launched?
a)320kg
b)320 N
c) 32.7 N
d)512 N
e) 3100 N

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