A model rocket is launched from rest with a constant upward acceleration of 2.5 m/s² under the action of a small thruster. The thruster shuts off after 7 seconds, and the rocket continues upward until it reaches its apex. At apex, a small chute opens which ensures that the rocket falls at a constant speed of 0.70 m/s until it impacts the ground. Determine the maximum height hattained by the rocket and the total flight time tf. Neglect aerodynamic drag during ascent, and assume the mass of the rocket and the acceleration of gravity are both constant. 2.5 m/s² Answers: 0.70 m/s

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A model rocket is launched from rest with a constant upward acceleration of 2.5 m/s² under the action of a small thruster. The
thruster shuts off after 7 seconds, and the rocket continues upward until it reaches its apex. At apex, a small chute opens
which ensures that the rocket falls at a constant speed of 0.70 m/s until it impacts the ground. Determine the maximum height
h attained by the rocket and the total flight time tf. Neglect aerodynamic drag during ascent, and assume the mass of the
rocket and the acceleration of gravity are both constant.
Answers:
h =
2.5 m/s²
tf =
i
i
0.70 m/s
m
S
Transcribed Image Text:A model rocket is launched from rest with a constant upward acceleration of 2.5 m/s² under the action of a small thruster. The thruster shuts off after 7 seconds, and the rocket continues upward until it reaches its apex. At apex, a small chute opens which ensures that the rocket falls at a constant speed of 0.70 m/s until it impacts the ground. Determine the maximum height h attained by the rocket and the total flight time tf. Neglect aerodynamic drag during ascent, and assume the mass of the rocket and the acceleration of gravity are both constant. Answers: h = 2.5 m/s² tf = i i 0.70 m/s m S
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