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

43833

43864

44052

43839

43833

43864

44052

43839

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Applied Mechanics and Graphic Statics
If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

60°

59°

57°

58°

60°

59°

57°

58°

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Applied Mechanics and Graphic Statics
The centre of gravity of a triangle is at the point where three

Medians of the triangle meet

None of these

Perpendicular bisectors of the sides of the triangle meet

Bisectors of the angle of the triangle meet

Medians of the triangle meet

None of these

Perpendicular bisectors of the sides of the triangle meet

Bisectors of the angle of the triangle meet

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Applied Mechanics and Graphic Statics
The dimensions of centrifugal force are

M’L-‘T2

M’L’T2

M’L’T1

M1 L2 T2

M’L-‘T2

M’L’T2

M’L’T1

M1 L2 T2

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Applied Mechanics and Graphic Statics
The unit of rotational inertia of a body in C.G.S system is

gm.cm²

kg.cm²

gm.cm3

cm⁴

gm.cm²

kg.cm²

gm.cm3

cm⁴

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Applied Mechanics and Graphic Statics
If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line

All (i), (ii) and (iii)

(i) and (iii)

Only (i)

(i) and (ii)

All (i), (ii) and (iii)

(i) and (iii)

Only (i)

(i) and (ii)

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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 If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three

Applied Mechanics and Graphic Statics The dimensions of centrifugal force are

Applied Mechanics and Graphic Statics The unit of rotational inertia of a body in C.G.S system is

Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line

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
If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

Applied Mechanics and Graphic Statics
The centre of gravity of a triangle is at the point where three

Applied Mechanics and Graphic Statics
The dimensions of centrifugal force are

Applied Mechanics and Graphic Statics
The unit of rotational inertia of a body in C.G.S system is

Applied Mechanics and Graphic Statics
If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line