A 7500kg rocket blasts off vertically from the launch pad with a constant upward acceleration of...

Question

A 7500kg rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.25ms -2 and feels no apprciable air resistance. When it has reached a height of 525m, its engines suddenly fail so that the only force acting on it is now gravity.a) what is the maximum height this rocket will reach above the launch pad?b) How much time after engine failure will elapse before the rocket comes crashing down to the launch pad?

David · Accepted Answer

Question : A 7500kg rocket blasts off vertically from the launch pad with a constant 
upward acceleration of 2.25ms -2 and feels no appreciable air resistance. When it has 
reached a height of 525m, its engines suddenly fail so that the only force acting on it is now 
gravity. 
a) What is the maximum height this rocket will reach above the launch pad? 
b) How much time after engine failure will elapse before the rocket comes crashing down to 
the launch pad? 
 
Answer:-  
We know that three equations of motion:

A 7500kg rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.25ms -2 and feels no apprciable air resistance. When it has reached a height of 525m, its engines...

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