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

43833

43839

44052

43864

43833

43839

44052

43864

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

Its length should be quadrupled

Its length should be doubled

The mass of its bob should be quadrupled

The mass of its bob should be doubled

Its length should be quadrupled

Its length should be doubled

The mass of its bob should be quadrupled

The mass of its bob should be doubled

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Applied Mechanics and Graphic Statics
A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be

3t² + 2t

3t³ - 2t

6t - 2

6t + 2

3t² + 2t

3t³ - 2t

6t - 2

6t + 2

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Applied Mechanics and Graphic Statics
Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

25 kg

30 kg

50 kg

40 kg

25 kg

30 kg

50 kg

40 kg

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Applied Mechanics and Graphic Statics
A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is

6 m/sec

12 m/sec

24 m/sec

48 m/sec

6 m/sec

12 m/sec

24 m/sec

48 m/sec

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

1

Between 0 and 1

0.5

Zero

1

Between 0 and 1

0.5

Zero

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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 To double the period of oscillation of a simple pendulum

Applied Mechanics and Graphic Statics A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be

Applied Mechanics and Graphic Statics Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is

Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution 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
To double the period of oscillation of a simple pendulum

Applied Mechanics and Graphic Statics
A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be

Applied Mechanics and Graphic Statics
Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

Applied Mechanics and Graphic Statics
A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is

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