The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Original velocity in the opposite direction

Half the original velocity in the same direction

Original velocity in the same direction

Half the original velocity in the opposite direction

Original velocity in the opposite direction

Half the original velocity in the same direction

Original velocity in the same direction

Half the original velocity in the opposite direction

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Applied Mechanics and Graphic Statics
A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

0.57

0.67

0.33

0.44

0.57

0.67

0.33

0.44

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Applied Mechanics and Graphic Statics
Pick up the incorrect statement from the following. In a simple harmonic motion

Velocity is minimum at the end of the stroke

Acceleration is zero at the mean position

Acceleration is minimum at the end of the stroke

Velocity is maximum at its mean position

Velocity is minimum at the end of the stroke

Acceleration is zero at the mean position

Acceleration is minimum at the end of the stroke

Velocity is maximum at its mean position

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Applied Mechanics and Graphic Statics
A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is

90°

30°

0°

45°

90°

30°

0°

45°

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Applied Mechanics and Graphic Statics
If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is

Maximum

Minimum

Zero

None of these

Maximum

Minimum

Zero

None of these

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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 wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is

(i) and (iii)

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In a simple harmonic motion

Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is

Applied Mechanics and Graphic Statics If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is

Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Applied Mechanics and Graphic Statics
A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

Applied Mechanics and Graphic Statics
Pick up the incorrect statement from the following. In a simple harmonic motion

Applied Mechanics and Graphic Statics
A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is

Applied Mechanics and Graphic Statics
If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is