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

43864

43833

43839

44052

43864

43833

43839

44052

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Applied Mechanics and Graphic Statics
For a simple pendulum, time period for a beat, is

π √(2l/g)

π √(l/g)

π √(g/2l)

π √(l/2g)

π √(2l/g)

π √(l/g)

π √(g/2l)

π √(l/2g)

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Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are

1 kg and 4 kg

2 kg and 3 kg

√3 kg and √5 kg

3 kg and 5 kg

1 kg and 4 kg

2 kg and 3 kg

√3 kg and √5 kg

3 kg and 5 kg

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Applied Mechanics and Graphic Statics
A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was

1 cm/sec²

0.7 m/sec²

1 m/sec²

0.5 m/sec²

1 cm/sec²

0.7 m/sec²

1 m/sec²

0.5 m/sec²

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Applied Mechanics and Graphic Statics
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

25 m/sec

50 m/sec

15 m/sec

40 m/sec

25 m/sec

50 m/sec

15 m/sec

40 m/sec

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Applied Mechanics and Graphic Statics
When a body falls freely under gravitational force, it possesses

No effect on its weight

No weight

Maximum weight

Minimum weight

No effect on its weight

No weight

Maximum weight

Minimum weight

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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 For a simple pendulum, time period for a beat, is

Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are

Applied Mechanics and Graphic Statics A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was

Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses

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
For a simple pendulum, time period for a beat, is

Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are

Applied Mechanics and Graphic Statics
A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was

Applied Mechanics and Graphic Statics
When a body falls freely under gravitational force, it possesses