A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

0.4

0.33

0.25

0.5

0.4

0.33

0.25

0.5

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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

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

(i) and (iii)

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Applied Mechanics and Graphic Statics
For perfectly elastic bodies, the value of coefficient of restitution is

Between 0 and 1

0.5

Zero

1

Between 0 and 1

0.5

Zero

1

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Applied Mechanics and Graphic Statics
Instantaneous center is at infinity when the angular velocity is

Zero

Constant

Minimum

Maximum

Zero

Constant

Minimum

Maximum

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Applied Mechanics and Graphic Statics
For a body moving with simple harmonic motion, the number of cycles per second, is known as its

Amplitude

Periodic time

Frequency

Oscillation

Amplitude

Periodic time

Frequency

Oscillation

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Applied Mechanics and Graphic Statics
The frequency of oscillation on moon as compared to that on earth, will be

2.44 times less

3 times less

3 times more

2.44 times more

2.44 times less

3 times less

3 times more

2.44 times more

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is

Applied Mechanics and Graphic Statics Instantaneous center is at infinity when the angular velocity is

Applied Mechanics and Graphic Statics For a body moving with simple harmonic motion, the number of cycles per second, is known as its

Applied Mechanics and Graphic Statics The frequency of oscillation on moon as compared to that on earth, will be

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics
For perfectly elastic bodies, the value of coefficient of restitution is

Applied Mechanics and Graphic Statics
Instantaneous center is at infinity when the angular velocity is

Applied Mechanics and Graphic Statics
For a body moving with simple harmonic motion, the number of cycles per second, is known as its

Applied Mechanics and Graphic Statics
The frequency of oscillation on moon as compared to that on earth, will be