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

43839

44052

43864

43833

43839

44052

43864

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Applied Mechanics and Graphic Statics
Time of flight of a projectile on a horizontal plane, is

2u cotα/g

2u sinα/g

2u cosα/g

2u tanα/g

2u cotα/g

2u sinα/g

2u cosα/g

2u tanα/g

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Applied Mechanics and Graphic Statics
The unit of force in C.G.S. system of units, is called

Dyne

All of these

Newton

Kg

Dyne

All of these

Newton

Kg

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Applied Mechanics and Graphic Statics
A system of coplanar forces is in equilibrium when

Both force polygon" and funicular polygon close

Force polygon closes

Funicular polygon closes

All the forces are concurrent

Both force polygon" and funicular polygon close

Force polygon closes

Funicular polygon closes

All the forces are concurrent

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Applied Mechanics and Graphic Statics
To attain the synchronous orbit, the launch of a satellite, is done from a place

On the poles

On 45° latitude

On equator

On 30° latitude

On the poles

On 45° latitude

On equator

On 30° latitude

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Applied Mechanics and Graphic Statics
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is

πd⁴/16

πd⁴/24

πd⁴/32

π/64 (D⁴ + d⁴)

πd⁴/16

πd⁴/24

πd⁴/32

π/64 (D⁴ + d⁴)

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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 Time of flight of a projectile on a horizontal plane, is

Applied Mechanics and Graphic Statics The unit of force in C.G.S. system of units, is called

Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when

Applied Mechanics and Graphic Statics To attain the synchronous orbit, the launch of a satellite, is done from a place

Applied Mechanics and Graphic Statics The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, 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
Time of flight of a projectile on a horizontal plane, is

Applied Mechanics and Graphic Statics
The unit of force in C.G.S. system of units, is called

Applied Mechanics and Graphic Statics
A system of coplanar forces is in equilibrium when

Applied Mechanics and Graphic Statics
To attain the synchronous orbit, the launch of a satellite, is done from a place

Applied Mechanics and Graphic Statics
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is