Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

5 m/sec

10 m/sec

Zero

None of these

5 m/sec

10 m/sec

Zero

None of these

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Applied Mechanics and Graphic Statics
In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?

King post truss

Howe truss

Fink truss

Warren truss

King post truss

Howe truss

Fink truss

Warren truss

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Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

None of these

Rubber and lead balls undergo equal changes in momentum

Change in momentum suffered by lead ball is less that of rubber ball

Momentum of rubber ball is less than that of lead ball

None of these

Rubber and lead balls undergo equal changes in momentum

Change in momentum suffered by lead ball is less that of rubber ball

Momentum of rubber ball is less than that of lead ball

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Applied Mechanics and Graphic Statics
To double the period of oscillation of a simple pendulum

Its length should be doubled

Its length should be quadrupled

The mass of its bob should be doubled

The mass of its bob should be quadrupled

Its length should be doubled

Its length should be quadrupled

The mass of its bob should be doubled

The mass of its bob should be quadrupled

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Applied Mechanics and Graphic Statics
If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

½ cos α

½ tan α

½ sin α

2 cos α

½ cos α

½ tan α

½ sin α

2 cos α

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Applied Mechanics and Graphic Statics
The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be

5

4

3

2

5

4

3

2

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?

Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum

Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be

Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics
In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?

Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Applied Mechanics and Graphic Statics
To double the period of oscillation of a simple pendulum

Applied Mechanics and Graphic Statics
If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

Applied Mechanics and Graphic Statics
The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be