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

44052

43864

43833

43839

44052

43864

43833

43839

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Applied Mechanics and Graphic Statics
One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is

a damped oscillatory motion

None of these

a rectilinear motion with constant speed

a simple harmonic motion

a damped oscillatory motion

None of these

a rectilinear motion with constant speed

a simple harmonic motion

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Applied Mechanics and Graphic Statics
The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

2.5 m

0.02 m

2 m

20 m

2.5 m

0.02 m

2 m

20 m

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Applied Mechanics and Graphic Statics
A Seconds pendulum executes

0.5 beat per second

2.0 beats per second

2.5 beats per second

1.0 beat per second

0.5 beat per second

2.0 beats per second

2.5 beats per second

1.0 beat per second

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Applied Mechanics and Graphic Statics
Power developed by a torque, is

All listed here

2πNT /60 watts

2πNT/4500 h.p

2πNT kg m/min

All listed here

2πNT /60 watts

2πNT/4500 h.p

2πNT kg m/min

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Applied Mechanics and Graphic Statics
The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

Difference of the forces multiplied by cosine θ°

Sum of the forces multiplied by the tangent θ°

Algebraic sum of the resolved parts of the forces in the direction

Arithmetical sum of the resolved parts of the forces in the direction

Difference of the forces multiplied by cosine θ°

Sum of the forces multiplied by the tangent θ°

Algebraic sum of the resolved parts of the forces in the direction

Arithmetical sum of the resolved parts of the forces in the direction

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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 The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

Applied Mechanics and Graphic Statics A Seconds pendulum executes

Applied Mechanics and Graphic Statics Power developed by a torque, is

Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction 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
The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

Applied Mechanics and Graphic Statics
A Seconds pendulum executes

Applied Mechanics and Graphic Statics
Power developed by a torque, is

Applied Mechanics and Graphic Statics
The resolved part of the resultant of two forces inclined at an angle θ in a given direction is