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

0.25

0.4

0.33

0.5

0.25

0.4

0.33

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Applied Mechanics and Graphic Statics
A cube on a smooth horizontal surface

Cannot be in unstable equilibrium

Cannot be in stable equilibrium

Can be in any of these states

Cannot be in neutral equilibrium

Cannot be in unstable equilibrium

Cannot be in stable equilibrium

Can be in any of these states

Cannot be in neutral equilibrium

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Applied Mechanics and Graphic Statics
Coefficient of friction depends on

Nature of surfaces only

Both (A) and (B)

None of these

Area of contact only

Nature of surfaces only

Both (A) and (B)

None of these

Area of contact only

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Applied Mechanics and Graphic Statics
A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?

75°

45°

30°

15°

75°

45°

30°

15°

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Applied Mechanics and Graphic Statics
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

20 rad/sec

5 rad/sec

20 rad/sec

10 rad/sec

20 rad/sec

5 rad/sec

20 rad/sec

10 rad/sec

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Applied Mechanics and Graphic Statics
A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is
(i) 5000 Nm
(ii) 5000 kg.m
(iii) 5000 J

Both (i) and (iii)

Only (ii)

All (i), (ii) and (iii)

Both (ii) and (iii)

Both (i) and (iii)

Only (ii)

All (i), (ii) and (iii)

Both (ii) and (iii)

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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 A cube on a smooth horizontal surface

Applied Mechanics and Graphic Statics Coefficient of friction depends on

Applied Mechanics and Graphic Statics A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?

Applied Mechanics and Graphic Statics If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J

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
A cube on a smooth horizontal surface

Applied Mechanics and Graphic Statics
Coefficient of friction depends on

Applied Mechanics and Graphic Statics
A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?

Applied Mechanics and Graphic Statics
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

Applied Mechanics and Graphic Statics
A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is
(i) 5000 Nm
(ii) 5000 kg.m
(iii) 5000 J