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

43839

43833

44052

43864

43839

43833

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Applied Mechanics and Graphic Statics
If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line

(i) and (iii)

Only (i)

(i) and (ii)

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

(i) and (iii)

Only (i)

(i) and (ii)

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

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Applied Mechanics and Graphic Statics
At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is

7 km/hrs

1 km/hrs

10 km/hrs

2 km/hrs

7 km/hrs

1 km/hrs

10 km/hrs

2 km/hrs

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Applied Mechanics and Graphic Statics
The C.G. of a right circular cone lies on its axis of symmetry at a height of

h/4

h/2

h/5

h/3

h/4

h/2

h/5

h/3

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

30 m/sec

40 m/sec

50 m/sec

20 m/sec

30 m/sec

40 m/sec

50 m/sec

20 m/sec

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Applied Mechanics and Graphic Statics
The total time of collision and restitution of two bodies, is called

Period of collision

All listed here

Time of collision

Period of impact

Period of collision

All listed here

Time of collision

Period of impact

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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 If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line

Applied Mechanics and Graphic Statics At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is

Applied Mechanics and Graphic Statics The C.G. of a right circular cone lies on its axis of symmetry at a height of

Applied Mechanics and Graphic Statics The total time of collision and restitution of two bodies, is called

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
If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line

Applied Mechanics and Graphic Statics
At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is

Applied Mechanics and Graphic Statics
The C.G. of a right circular cone lies on its axis of symmetry at a height of

Applied Mechanics and Graphic Statics
The total time of collision and restitution of two bodies, is called