February 28, 2017

Homework Help: physics

Posted by Jon on Monday, March 31, 2008 at 7:10pm.

18)An airplane has to fly eastward to a destination 856 km away. If wind is blowing at 18.0 m/s northward and the air speed of the plane is 161 m/s, in what direction should the plane head to reach its destination?

6.42 degrees south of east

19)A 4400 kg can accelerate from 0-25m/s in 4 seconds. What force must the engine create to accomplish this acceleration?

I don't know

20)An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator?

I don't know

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