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
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