A test rocket is fired vertically upward from a well. A catapult gives it initial speed 60 m/s at ground level. Its engines then fire and it accelerates upward at 5.0 m/s² until it reaches an altitude of 1,100 m. At that point its engines fail and the rocket goes into free-fall, with an acceleration of g=9.80 m/s². What is its velocity just before it collides with the Earth? (You will need to consider the motion while the engine is operating separately from the free-fall motion.) [ Give your answer in m/s to the nearest 0.1 m/s]

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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A test rocket is fired vertically upward from a well. A catapult gives it initial speed 60
m/s at ground level. Its engines then fire and it accelerates upward at 5.0 m/s² until
it reaches an altitude of 1,100 m. At that point its engines fail and the rocket goes
into free-fall, with an acceleration of g=9.80 m/s².
What is its velocity just before it collides with the Earth? (You will need to consider
the motion while the engine is operating separately from the free-fall motion.)
[Give your answer in m/s to the nearest 0.1 m/s]
Transcribed Image Text:A test rocket is fired vertically upward from a well. A catapult gives it initial speed 60 m/s at ground level. Its engines then fire and it accelerates upward at 5.0 m/s² until it reaches an altitude of 1,100 m. At that point its engines fail and the rocket goes into free-fall, with an acceleration of g=9.80 m/s². What is its velocity just before it collides with the Earth? (You will need to consider the motion while the engine is operating separately from the free-fall motion.) [Give your answer in m/s to the nearest 0.1 m/s]
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