Saturday
April 19, 2014

Homework Help: mechanics

Posted by shone on Thursday, April 4, 2013 at 5:34am.

A space aircraft is launched staight up.The aircraft motor provide aconstant acceleration for 10 second ,then it stops.the aircraft's altitude 15 second after launch is 2 km.ignore air friction.what is the acceleration and the maximum speed reached in km/h?

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