Asked by Mark

A model rocket is launched upward with an initial speed of 50 m/s. It accelerates with a net constant upward acceleration of 2.0 m/s^2 until its engines stop at an altitude of 150 m. (a) What is the maximum height reached by the rocket? (b) how long after the life-off does the rocket reach its maximum height? (c) how long is the rocket in the air?
Answered by bobpursley
http://www.jiskha.com/search/index.cgi?query=+A+model+rocket+is+launched+upward+with+an+initial+speed+of+50+m%2Fs.+It+accelerates+with+a+net+constant+upward+acceleration+of+2.0+m%2Fs^2+until+its+engines+stop+at+an+altitude+of+150+m.+%28a%29+What+is+the+maximum+height+reached+by+the+rocket%3F+%28b%29+how+long+after+the+life-off+does+the+rocket+reach+its+maximum+height%3F+%28c%29+how+long+is+the+rocket+in+the+air%3F+
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