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

43833

43839

43864

44052

43833

43839

43864

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Applied Mechanics and Graphic Statics
A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

1.0 m

0.75 m

1.5 m

0.5 m

1.0 m

0.75 m

1.5 m

0.5 m

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Applied Mechanics and Graphic Statics
Power developed by a torque, is

All listed here

2πNT kg m/min

2πNT/4500 h.p

2πNT /60 watts

All listed here

2πNT kg m/min

2πNT/4500 h.p

2πNT /60 watts

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Applied Mechanics and Graphic Statics
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

1 kg

None of these

5 kg

7 kg

1 kg

None of these

5 kg

7 kg

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Applied Mechanics and Graphic Statics
A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

3.5 m/sec

0.5 m/sec

2.5 m/sec

1.5 m/sec

3.5 m/sec

0.5 m/sec

2.5 m/sec

1.5 m/sec

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Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

None of these

Angle of friction

Angle of repose

Angle of inclination

None of these

Angle of friction

Angle of repose

Angle of inclination

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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 A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

Applied Mechanics and Graphic Statics Power developed by a torque, is

Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

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
A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

Applied Mechanics and Graphic Statics
Power developed by a torque, is

Applied Mechanics and Graphic Statics
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

Applied Mechanics and Graphic Statics
A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called