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

0.5

0.25

0.4

0.33

0.5

0.25

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Applied Mechanics and Graphic Statics
If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is

u² tan² α/2g

u² cos² α/2g

u² sin² α/2g

u² sin 2α/2g

u² tan² α/2g

u² cos² α/2g

u² sin² α/2g

u² sin 2α/2g

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Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

Cannot be obtained by graphic statics

May be obtained by graphic statics

Can be obtained by graphic statics

Can be obtained by graphic statics by trial and error

Cannot be obtained by graphic statics

May be obtained by graphic statics

Can be obtained by graphic statics

Can be obtained by graphic statics by trial and error

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Applied Mechanics and Graphic Statics
The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is

(b² + bc + c²)/3 (b + c)

None of these

(a² + ab + c²)/3 (a + c)

(a² + ab + b²)/3 (a + b)

(b² + bc + c²)/3 (b + c)

None of these

(a² + ab + c²)/3 (a + c)

(a² + ab + b²)/3 (a + b)

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Applied Mechanics and Graphic Statics
The rate of change of displacement of a body with respect to its surrounding, is known

None of these

Speed

Acceleration

Velocity

None of these

Speed

Acceleration

Velocity

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Applied Mechanics and Graphic Statics
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are

1436.2 kN and 1500 kN

1346.3 kN and 1250 kN

1436.2 kN and 1250 kN

1346.3 kN and 1500 kN

1436.2 kN and 1500 kN

1346.3 kN and 1250 kN

1436.2 kN and 1250 kN

1346.3 kN and 1500 kN

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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 If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is

Applied Mechanics and Graphic Statics The member forces in a statically in determinate truss

Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is

Applied Mechanics and Graphic Statics The rate of change of displacement of a body with respect to its surrounding, is known

Applied Mechanics and Graphic Statics A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are

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
If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is

Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

Applied Mechanics and Graphic Statics
The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is

Applied Mechanics and Graphic Statics
The rate of change of displacement of a body with respect to its surrounding, is known

Applied Mechanics and Graphic Statics
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are