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What is the mass of a two stage launch vehicle capable of putting a 100kg satellite into orbit around Mars, beginning in a parking orbit altitude at Earth of 200 km. Solve this problem for the following fuels, assuming the departure and arrival velocity changes are made with the same engine:
(1) Cold Gas
(2) Hydrazine Monopropellant
(3) Bipropellant of your choice
(4) Ion Propulsion
1. A very narrow laser beam is shone into a sphere of solid glass that has uniform refractive index n>1 and radius ρ . The beam makes an angle α in air with the normal to the surf
Calculate the density of sodium metal. The length of the body-centered cubic unit cell is 4.24 A.
Copper constantan is used for measuring temperature up to (A) 1400 o C (B) 800 o C. (C) 1100 o C. (D) 400 o C. Ans: Copper constantan is used for meas
Force in Two and Three Dimensions - Pressure and Fluids Pressure is a force exerted over an area and is measured in Pascals (Pa). P (in Pa) = Force (in newtons) / area (
Wave motion is the motion in which the particle/matter remains at the point where it is. But the disturbance/energy gets transfer from one point to the other. The particle just o
A chemical reaction is known to occur spontaneously under standard conditions. Which of the following statements is/are true (more than one answer may be selected): A The to
Are heat fuses necessary? The working temperature range of the fiber optics ordinary end is critical if the performance of the system is to be kept and the life guaranteed. A
The dimentional formula of pressure ML -1 T -2
Q What is electromagnetic induction? The phenomenon of producing an induced emf because of the changes in the magnetic flux associated with a closed circuit is known as electr
Describe an echo. What is the minimum distance needed to form an echo. Write its application.
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