# 978 - Questions Answers

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**Submit By: MANISH SIR**2 year ago

a large number of identical point masses m are placed along x-axis , at x=0,1,2,3,4.....the magnitude of gravitational force on mass at origin (x=0), will be ??

**Asked By: RUDRIK S PATEL**1 Month ago

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**If r _{0} = 20869 **

**χ 10**

^{-10}**m and E**

_{0}/K_{B}= 10.22 K for He calculate and plot the Lennard Jones potential?**Set one molecule at a fixed (pinned) position on the x-axis, say at x = 5 nm. The other molecule starts at the origin with initial velocity v**

_{0 }=v_{0}(x cos**β +y sin**

**β)**

**where**

**β**

**is small angle between v**

_{0}and the x-axis.**Develop a computer program to calculate the trajectory of the moving particle in the x-y plane for various v**

_{0}and**β**

**, based on (a) the rigid-elastic-sphere assumption and (b) the intermolecular force field. Comment on the differences between the results obtained from the two models?**

**Asked By: MOHAMED A ELFGHI**1 Month ago

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1.)Why only mercury is used in barometers?

2.)Is pressure scalar or vector? How?

**Asked By: PRATYUSH SINHA**2 Month ago

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If two discs of moment of inertia a and b rotating about collinear axis passing through their centres of mass and perpendicular to their plane with angular speeds c and d respectively in opposite directions are made to rotate combinedly along same axis, then the magnitude of angular velocity of the system is?

**Asked By: SRILASYA**2 Month ago

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If two discs of moment of inertia a and b rotating about collinear axis passing through their centres of mass and perpendicular to their plane with angular speeds c and d respectively in opposite directions are made to rotate combinedly along same axis, then the magnitude of angular velocity of the system is?

**Asked By: SRILASYA**2 Month ago

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**Asked By: P. NAVIN**3 Month ago

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**Asked By: P. NAVIN**3 Month ago

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a body of mass 3m travelling due east with a speed 2u collides with a body of mass 2m with a speed of u .show that the speed after collision of body mass 2m = 1/5(9e + 4)u when the coefficient of restitution is e

**Asked By: ANTHONY CHOTO**3 Month ago

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What is the main priniciple strore energy in a capacitor ?

**Asked By: DIBYA JYOTI DEKA**3 Month ago

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