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

0.5

0.33

0.25

0.4

0.5

0.33

0.25

0.4

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Applied Mechanics and Graphic Statics
For a given velocity of a projectile, the range is maximum when the angle of projection is

30°

0°

45°

90°

30°

0°

45°

90°

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Applied Mechanics and Graphic Statics
A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is

3

43832

2

43892

3

43832

2

43892

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Applied Mechanics and Graphic Statics
The centre of gravity of a triangle is at the point where three

Perpendicular bisectors of the sides of the triangle meet

Medians of the triangle meet

None of these

Bisectors of the angle of the triangle meet

Perpendicular bisectors of the sides of the triangle meet

Medians of the triangle meet

None of these

Bisectors of the angle of the triangle meet

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Applied Mechanics and Graphic Statics
If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will

Always reduce to a resultant force

Be in equilibrium

Both (A) and (C)

Always reduce to a couple

Always reduce to a resultant force

Be in equilibrium

Both (A) and (C)

Always reduce to a couple

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Applied Mechanics and Graphic Statics
The motion of a particle moving with S.H.M. from an extremity to the other, constitutes

Half an oscillation

Two oscillations

One full oscillation

None of these

Half an oscillation

Two oscillations

One full oscillation

None of these

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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 For a given velocity of a projectile, the range is maximum when the angle of projection is

Applied Mechanics and Graphic Statics A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is

Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three

Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will

Applied Mechanics and Graphic Statics The motion of a particle moving with S.H.M. from an extremity to the other, constitutes

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
For a given velocity of a projectile, the range is maximum when the angle of projection is

Applied Mechanics and Graphic Statics
A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is

Applied Mechanics and Graphic Statics
The centre of gravity of a triangle is at the point where three

Applied Mechanics and Graphic Statics
If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will

Applied Mechanics and Graphic Statics
The motion of a particle moving with S.H.M. from an extremity to the other, constitutes