1a)1000m
b)when there ls no alr reslstance
c)5s
A rocket is launched straight up with an initial speed of 40 m/s. It accelerated with a constant upward acceleration of 9.0 m/s^2 until the engine stops at an altitude of 350m.
a. What is the maximum height reached by the rocket?
b. When does the rocket reach the maximum height?
c. What is the total time the rocket is in the air?
d. Draw a velocity vs. time graph for the trip.
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2 Answers
466a. 745 m
b. at t = (-40+19√79)/9 s
c. (-40+19√79)/9 +√149 s
in all cases air resistance is neglected and g is taken to be 10ms-2
Sahil Jain its wrong
Upvote·0· Reply ·2013-06-05 20:13:56