A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

20 m/sec

16 m/sec

22 m/sec

18 m/sec

20 m/sec

16 m/sec

22 m/sec

18 m/sec

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Applied Mechanics and Graphic Statics
A point subjected to a number of forces will be in equilibrium, if

Sum of resolved parts in any two directions at right angles, are both zero

Two resolved parts in any two directions at right angles are equal

Algebraic sum of the forces is zero

Algebraic sum of the moments of the forces about the point is zero

Sum of resolved parts in any two directions at right angles, are both zero

Two resolved parts in any two directions at right angles are equal

Algebraic sum of the forces is zero

Algebraic sum of the moments of the forces about the point is zero

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Applied Mechanics and Graphic Statics
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

10 sec

5 sec

20 sec

8 sec

10 sec

5 sec

20 sec

8 sec

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Applied Mechanics and Graphic Statics
If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is

4π √(α/θ)

2π √(α/θ)

(1/2π) √(α/θ)

2π √(α - θ)

4π √(α/θ)

2π √(α/θ)

(1/2π) √(α/θ)

2π √(α - θ)

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Applied Mechanics and Graphic Statics
To attain the synchronous orbit, the launch of a satellite, is done from a place

On 30° latitude

On equator

On 45° latitude

On the poles

On 30° latitude

On equator

On 45° latitude

On the poles

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Applied Mechanics and Graphic Statics
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

25 m/sec

40 m/sec

15 m/sec

50 m/sec

25 m/sec

40 m/sec

15 m/sec

50 m/sec

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if

Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is

Applied Mechanics and Graphic Statics To attain the synchronous orbit, the launch of a satellite, is done from a place

Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

Applied Mechanics and Graphic Statics
A point subjected to a number of forces will be in equilibrium, if

Applied Mechanics and Graphic Statics
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

Applied Mechanics and Graphic Statics
If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is

Applied Mechanics and Graphic Statics
To attain the synchronous orbit, the launch of a satellite, is done from a place