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(i) A closed system consisting of 2 kg of a gas undergoes a process during which the relationship between pressure and specific volume is pv1.3 = c. The process begins with 1 p =1bar , 3 1 v =0.5 m / kg and ends with 2 p = 0.25 bar .
Calculate the final volume in m3 and plot the process on a graph of pressure versus specific volume.
(ii) Acceleration is sometimes measured in g's or multiples of the standard acceleration of gravity. Calculate the net upward force, in newtons, that an astronaut whose mass is 68 kg experiences if the acceleration on file-off is 10 g's.
(iii) A vacuum gauge indicates that the pressure of air in a closed chamber is 0.2 bar (vacuum). The pressure of the surrounding atmosphere is equivalent to a 750-mm column of mercury. The density of mercury is 13.59 g / cm3 , and the acceleration of gravity is 9.81m/ s2 . Calculate the absolute pressure within the chamber in bars.
what is 500,000+700,000
Q. A truck loaded with sand accelerates along a highway. If the driving force stays the same on the truck, what happens to the truck's acceleration if its trailer leaks sand at a
In a perfect instrument the zeros of the major scale and circular scale coincides with each other, in that situation screw gauge has zero-error, or else the measurement device is s
Vector Addition The Order Does NOT Matter The question frequent arises as to the significance of the order in that the vectors are added. For example, if five vectors are added
GM counter
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a uniform sphere of mass 2kg is kept in a fixed position by two strings AB and CD. AB is horizontal and CD is inclined at 30° to the vertical. calculate the tension in each string.
Illustrate how plane polarized light obtained by refraction. Illustrate double refraction ( birefringence) of light. define Young's double slit experiment and give the required the
Superfluidity: The phenomena through which, at sufficiently low temperatures, a fluid can flow along zero viscosity. Its causes are related with superconductivity.
Net magnetic flux by any surface is always zero.
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