# MATLAB_mechanical_simulation -- 2

1) The flight of a test rocket weighing 25 metric tonnes can be modelled as

follows. At time t = 0, the rockets engines generate exactly the right amount of

upward thrust to maintain the rocket against gravity. From t = 0 to 10s, the

thrust increases linearly to a maximum of 50000 kgf (kilogram-force). The

engines then shut down and the rocket moves only under the force of gravity.

After it reaches the apex the rocket starts to fall back down. When the

magnitude of the downwards velocity reaches v = 30 m/s, a parachute opens

and the rocket continues to move down at a constant speed of chute v = 20 m/s

until it hits the ground (assume parachute deployment and change in velocity

are instant).

Write a MATLAB program that calculates and plots the speed and altitude of the rocket as a function of time during the flight.

2)Mechanical engineers, as well as most other engineers, use thermodynamics extensively in

their work. The following polynomial can be used to relate the zero-pressure specific heat of

dry air,

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hosseinmonsefi

Hi, We are 2 master students of Politecnico di Milano which is a high-rank university in the world. We finished my bachelor in Mechanical Engineering and We have a lot of experience in MATLAB coding and physics. Besid Больше

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