Q1: Answer the following with short notes. 3. Ifa body was moved on a horizontal surface. What is the meaning of both equations? c- $F.ds 0 d- $F.ds # 0 %3D 4. What is the key different between Lagrange's and Hamilton's principles?

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Q: 48. A particle of m moves along x axis under the action of a foce J. Its motion is described by the…

A: F=-2kx3f=-dvdx=2kx3v(x)=2k∫dxx3=-kx2 KE=12mv2=12mdxdt2

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Q: The x and y components of the acceleration of gravity (g) are:

A: Acceleration due to gravity acts directly downward direction

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A: Given, yx,t=0.05sin4πxcos60πt

Q: B. What is the power radiated from a nude body 1.75m² in the area

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Q: The speed of sound in water, which has a bulk modulus of 2.1x10^9 N/m^2 at zero degrees Celsius, is:

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Q: The block start from rest moving from A in the frictionless path. find: a) The speed at B. b) The…

A: Initial Height H = 4R Initial velocity = 0

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Q: A projectile is fired with an initial velocity of 400 m/s hits a cliff 2000 meter apart determine…

A: range = V0 cos(60) x t  here V0 = 400m/s time of flight is t seconds range = 2000m thus, time (t) =…

Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: 2.21 and 2.22 Drtermite the x and y cmpowits of eacli of the forces shown. 120N 60 Ib 80 N 100N 30…

A: Given, Force vectors in x-y plane.

Q: 2. F = e²i+yj + x²yk, A. y²i2zy2j-e²k B. x²i-2y2j-e²j C. y²i-2z2j-e²k D. z²i2zy2j+e²k E.…

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Q: Problem no1: Canon located on the tower at the sea side has fired the canon-ball of weight 15 kg…

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Q: 5. A particle of mass M = 102" Kg decays, while at rest, into a particle of mass m = 4x 10-28 %3D Kg…

A: Given a particle of mass M=10-27kg =10×10-28kg decays into a  particle of mass  m=4×10-28kg

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A: Given: x=ξηy=ξ2-η2

Q: 06 what we mean by conservation of angular momentum for system of particle motion?

A: It is asked conservation of angular momentum for system of particle motion:

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Q: Generalised potential for a system is U (q,4)= (9+ġ)' .corresponding generalised 2 11. force is :…

A: Force on a system is defined as gradient of potential.

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