46 - Mechanics Part 2 Questions Answers

Dear Sir kindly help provide the solution along with right approach to solve such questions 

Dear Sir kindly help provide the solution along with right approach to solve such questions 

Asked By: RK GUPTA
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Joshi sir comment
Dear Sir kindly help provide the solution along with right approach to solve such questions 
Asked By: RK GUPTA
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Joshi sir comment

On a horizontal floor, two identical cylindrical vessels A and B connected by a thin tube near their bottoms contain some water. When an ice block of volume 100cm^3 is gently put inside the vessel A, it gets half submerged in the water. How much mass of water will flow through the connecting tube during the process of melting of the ice cube? (Density of water=1000kg/m^3 and Density of ice=900kg/m^3)

Asked By: PARTHSARTHY
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Asked By: TUSHAR GUPTA
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Sir please post its solution. 
Asked By: TUSHAR GUPTA
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Sir pls tell whether the stress is compressive or tensile and the value of stress
Asked By: KANDUKURI ASHISH
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Joshi sir comment

Due to inner sphere attraction, outer sphere contracts so it is compressive stress.Gravitational force is G(ρ4πR2t)[π(Rθ/2)2]/4R2 Outward force due to stress=S[2π(Rθ/2)t](θ/2) Now compare. Inform for any issue and wait for video

Sir please solve i am not able to get
Asked By: KANDUKURI ASHISH
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Joshi sir comment

By Bernoullis theorem, velocity of water jet = 2ghWater jet comes out perpendicular to surface.

 make its horizontal and vertical components

By vertical component, calculate time, then use it with 

horizontal velocity component to get distance along x axis

Finally calculate distance from centre, along x axis 

 

Inform for any confusion

Plzz solve all the intigrations step by step ☺️☺️☺️.plzz
Asked By: ASHLOK
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Physics >> Mechanics Part 2 >> Elasticity Medical Exam

A solid sphere is subjected to uniform pressure from all direction. The ratio of volumetric strain to lateral strain produced in it, is

Asked By: SWATI KAPOOR
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Joshi sir comment

V = 4/3 πr3

so dV = 4πr2

now calculate dV/V

Physics >> Mechanics Part 2 >> Elasticity Medical Exam

What is the length of a wire whose density is 8 g/cm3, which suspended vertically, would break due to its own weight? [Breaking stress of wire is 2.4 x 108 N/m2]

Asked By: SWATI KAPOOR
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Joshi sir comment

use stress = force/area

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