A) how fast was the rocket climbing when the engine stopped? B)for how many seconds did the engine burn? C.) when did the rocket reach its highest point? D)when did the parachute pop out? E)how long did the rocket fall before the parachute opened ? F) when was the rocket’s acceleration the greatest G)when was the acceleration constant? What was the acceleration?

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Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 102A
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A) how fast was the rocket climbing when the engine stopped? B)for how many seconds did the engine burn? C.) when did the rocket reach its highest point? D)when did the parachute pop out? E)how long did the rocket fall before the parachute opened ? F) when was the rocket’s acceleration the greatest G)when was the acceleration constant? What was the acceleration?
200
150-
100
50
-501
-100-
0 2
4 6 8 10 12
Time after launch (sec)
velocity (ft/sec)
Transcribed Image Text:200 150- 100 50 -501 -100- 0 2 4 6 8 10 12 Time after launch (sec) velocity (ft/sec)
When a model rocket is launched, the propellant burns for a few seconds, accelerating the rocket upward. After burnout, the rocket coasts upward for a while
and then begins to fall. A small explosive charge pops out a parachute shortly after the rocket starts down. The parachute slows the rocket to keep it from
breaking when it lands. The figure here shows the velocity data from the flight of the model rocket. Use the data to complete parts (a) through (g).
Transcribed Image Text:When a model rocket is launched, the propellant burns for a few seconds, accelerating the rocket upward. After burnout, the rocket coasts upward for a while and then begins to fall. A small explosive charge pops out a parachute shortly after the rocket starts down. The parachute slows the rocket to keep it from breaking when it lands. The figure here shows the velocity data from the flight of the model rocket. Use the data to complete parts (a) through (g).
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