A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

43839

43833

44052

43864

43839

43833

44052

43864

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Applied Mechanics and Graphic Statics
The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

60°

30°

75°

45°

60°

30°

75°

45°

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Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is

17.5 kg

19.5 kg

22.5 kg

25 kg

17.5 kg

19.5 kg

22.5 kg

25 kg

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Applied Mechanics and Graphic Statics
One Newton force, is

10⁴ dynes

10³ dynes

10⁵ dynes

10⁶ dynes

10⁴ dynes

10³ dynes

10⁵ dynes

10⁶ dynes

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Applied Mechanics and Graphic Statics
Minimum potential energy of a system will be in the position of

Neutral equilibrium

All of these

Stable equilibrium

Unstable equilibrium

Neutral equilibrium

All of these

Stable equilibrium

Unstable equilibrium

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Applied Mechanics and Graphic Statics
The intrinsic equation of catenary is

y = c sinh ψ

S = c tan ψ

y = c cosh x/c

y = c cosh ψ

y = c sinh ψ

S = c tan ψ

y = c cosh x/c

y = c cosh ψ

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is

Applied Mechanics and Graphic Statics One Newton force, is

Applied Mechanics and Graphic Statics Minimum potential energy of a system will be in the position of

Applied Mechanics and Graphic Statics The intrinsic equation of catenary is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is

Applied Mechanics and Graphic Statics
One Newton force, is

Applied Mechanics and Graphic Statics
Minimum potential energy of a system will be in the position of

Applied Mechanics and Graphic Statics
The intrinsic equation of catenary is