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

44052

43864

43839

43833

44052

43864

43839

43833

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Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. The kinetic energy of a body

Before impact is less than that after impact

Before impact is equal to that after impact

Before impact is more than that after impact

Remain constant

Before impact is less than that after impact

Before impact is equal to that after impact

Before impact is more than that after impact

Remain constant

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Applied Mechanics and Graphic Statics
A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

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Applied Mechanics and Graphic Statics
Joule is the unit of

Impulse

Power

Momentum

Work

Impulse

Power

Momentum

Work

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Applied Mechanics and Graphic Statics
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

5 Newtons

8 Newtons

10 Newtons

12 Newtons

5 Newtons

8 Newtons

10 Newtons

12 Newtons

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Applied Mechanics and Graphic Statics
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is

g/3

g/2

g/4

g/5

g/3

g/2

g/4

g/5

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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 Pick up the correct statement from the following. The kinetic energy of a body

Applied Mechanics and Graphic Statics Joule is the unit of

Applied Mechanics and Graphic Statics Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, 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
Pick up the correct statement from the following. The kinetic energy of a body

Applied Mechanics and Graphic Statics
Joule is the unit of

Applied Mechanics and Graphic Statics
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

Applied Mechanics and Graphic Statics
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is