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

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

20 m/sec

40 m/sec

50 m/sec

30 m/sec

20 m/sec

40 m/sec

50 m/sec

30 m/sec

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Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

125.5 mm from A

109.5 mm from A

132.5 mm from A

119.5 mm from A

125.5 mm from A

109.5 mm from A

132.5 mm from A

119.5 mm from A

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Applied Mechanics and Graphic Statics
A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

The extreme point of the oscillation

Through the mean position

None of these

Through a point at half amplitude

The extreme point of the oscillation

Through the mean position

None of these

Through a point at half amplitude

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Applied Mechanics and Graphic Statics
The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of

3h/4

h/3

h/4

2h/3

3h/4

h/3

h/4

2h/3

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Applied Mechanics and Graphic Statics
A system of coplanar forces is in equilibrium when

Both force polygon" and funicular polygon close

Force polygon closes

Funicular polygon closes

All the forces are concurrent

Both force polygon" and funicular polygon close

Force polygon closes

Funicular polygon closes

All the forces are concurrent

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Applied Mechanics and Graphic Statics
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

Is directly proportional to their velocity of approach

Is inversely proportional to their velocity of approach

Is equal to the sum of their velocities of approach

Bears a constant ratio to their velocity of approach

Is directly proportional to their velocity of approach

Is inversely proportional to their velocity of approach

Is equal to the sum of their velocities of approach

Bears a constant ratio to their velocity of approach

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

Applied Mechanics and Graphic Statics The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of

Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when

Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics
A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

Applied Mechanics and Graphic Statics
The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of

Applied Mechanics and Graphic Statics
A system of coplanar forces is in equilibrium when

Applied Mechanics and Graphic Statics
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation