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10 Apr 2019
A 7700 rocket blasts off vertically from the launch pad with aconstant upward acceleration of 2.35 and feels no appreciable airresistance. When it has reached a height of 550 , its enginessuddenly fail so that the only force acting on it is nowgravity.
(A) What is the maximum height this rocket will reach above thelaunch pad?
(B) How much time after engine failure will elapse before therocket comes crashing down to the launch pad?
(C) How fast will it be moving just before it crashes?
A 7700 rocket blasts off vertically from the launch pad with aconstant upward acceleration of 2.35 and feels no appreciable airresistance. When it has reached a height of 550 , its enginessuddenly fail so that the only force acting on it is nowgravity.
(A) What is the maximum height this rocket will reach above thelaunch pad?
(B) How much time after engine failure will elapse before therocket comes crashing down to the launch pad?
(C) How fast will it be moving just before it crashes?
Deanna HettingerLv2
12 Apr 2019
