# 985 - Questions Answers

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

the Q factor of a sonometer wire is 2 x 10³ . on plucking it makes 240 vibrations per second. calculate the time in which amplitude decrease to half the initial value.

**Asked By: SATISH**1 Month ago

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a car from rest and moves with constant acceleration.the ratio of distance covered by the car in nth second to that covered in n seconds is

**Asked By: YOGESH BHATT**1 Month ago

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MAXIMUM VELOCITY IN SHM IS Vm. FIND AVERAGE VELOCITY OF MOTION FROM ONE EXTREME TO ANOTHER....

**Asked By: AAKLIT TANEJA**1 Month ago

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The gravitational field in a region is given by :

E= 5 N/ kg i 12 N/ kg J

If the potential at the origin is taken to be zero,

then the ratio of the potential at the points (12m, 0) and (0, 5m) is ??

**Asked By: PADMA**2 Month ago

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TWO BALLS OF MASSES M EACH ARE MOVING AT RIGHT ANGLE TO EACH OTHER WITH VELOCITIES 6m/s AND 8m/s RESPECTIVELY. IF COLLISION IS PERFECTLY INELASTIC THEN WHAT IS THE VELOCITY OF COMBINED MASS

**Asked By: SHIVAM MAHAJAN**2 Month ago

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A BODY OF MASS M FALLS FROM H HEIGHT ON GROUND. IF e IS COEFFICIENT OF RESTITUTION OF COLLISION BETWEEN BOY N GROUN THEN WHAT IS THE DISTANCE TRAVELLED BY BOY BEFORE IT COMES TO REST

**Asked By: SHIVAM MAHAJAN**2 Month ago

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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**4 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**4 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**4 Month ago

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