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The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge. This machine consists of a long arm, to one end of which is attached a chamber in which the astronaut sits. The other end of the arm is connected to an axis about which the arm and chamber can be rotated. The astronaut moves on a circular path, much like a model airplane flying in a circle on a guideline. The chamber is located 15 m from the center of the circle. At what speed must the chamber move so that an astronaut is subjected to 8.9 times the acceleration due to gravity?
Explain Zeroth law and 1 st law of thermodynamics. Describe Internal energy and Enthalpy. What is a PMMFK. Give the expression for reversible workdone in a thermodynamic system
Takt Time for sand blasting: Tatk time is crucial in manufacturing process. It determines the speed of production to produce a product. Time is money toward prod
can we use electrical power chuck for job clamping in cnc lathe.what are the issues related
Ancillary Railway Structures: Overhead Transmission Lines When the line is electrified, the electric loco has to pick up the electric current from a cable that runs
more about the carbon dioxide(co2) moulding process,for my seminar topic.
Primitives of b-rep Scheme The building blocks for b-rep. models are : Vertex It is a unique point (an ordered triplet) in space. Edge An edge is a finite, non-
Express the force in vector form: A force of 400 N forms angles of 45 o , 65 o and 120 o , respectively, along with the x, y and z axes. Express the force in vector form.
One can increase the toughness of a ceramic material by introducing fibers to the structure of the ceramic and create a ceramic-matrix composite. However, unlike other fiber-reinfo
(a) Specify, giving reasons whether the following systems are closed, open or isolated when in operation (i) Kitchen Refrigerator (ii) Ice-cream freezer (iii) Scooter Engi
Calculation of Material Removal Rate MRR = (W i - W f ) × 1000/ 7.8 × T .......................................... (1) W i = Initial weight of work piece W f = Final w
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