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

0.25

0.5

0.33

0.4

0.25

0.5

0.33

0.4

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Applied Mechanics and Graphic Statics
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

Concurrent parallel

None of these

Concurrent

Parallel

Concurrent parallel

None of these

Concurrent

Parallel

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Applied Mechanics and Graphic Statics
For a simple pendulum, the period of one oscillation is

2π √(l/2g)

2π √(2g/l)

2π √(l/g)

2π √(g/2l)

2π √(l/2g)

2π √(2g/l)

2π √(l/g)

2π √(g/2l)

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Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

None of these

Angle of inclination

Angle of friction

Angle of repose

None of these

Angle of inclination

Angle of friction

Angle of repose

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Applied Mechanics and Graphic Statics
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

3/5

2/3

1/3

1/5

3/5

2/3

1/3

1/5

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Applied Mechanics and Graphic Statics
A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If ‘r’ is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

[r (π - 0.5)]/(π + 0.25)

[r (π + 0.25)]/(π + 0.5)

[r (π + 0.25)]/(π - 0.5)

[r (π - 0.25)]/(π - 0.5)

[r (π - 0.5)]/(π + 0.25)

[r (π + 0.25)]/(π + 0.5)

[r (π + 0.25)]/(π - 0.5)

[r (π - 0.25)]/(π - 0.5)

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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 Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

Applied Mechanics and Graphic Statics For a simple pendulum, the period of one oscillation is

Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

Applied Mechanics and Graphic Statics A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If ‘r’ is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference 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
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

Applied Mechanics and Graphic Statics
For a simple pendulum, the period of one oscillation is

Applied Mechanics and Graphic Statics
The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

Applied Mechanics and Graphic Statics
A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If ‘r’ is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be