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)

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

50 m/sec

15 m/sec

25 m/sec

40 m/sec

50 m/sec

15 m/sec

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Applied Mechanics and Graphic Statics
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

1/3

1/5

2/3

3/5

1/3

1/5

2/3

3/5

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Applied Mechanics and Graphic Statics
One Newton force, is

10⁵ dynes

10⁶ dynes

10³ dynes

10⁴ dynes

10⁵ dynes

10⁶ dynes

10³ dynes

10⁴ dynes

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Applied Mechanics and Graphic Statics
The centre of gravity of the trapezium as shown in below figure from the side is at a distance of Applied Mechanics and Graphic Statics mcq question image

(h/2) × [(2b + a)/(b + a)]

(h/3) × [(b + 2a)/(b + a)]

(h/3) × [(2b + a)/(b + a)]

(h/2) × [(b + 2a)/(b + a)]

(h/2) × [(2b + a)/(b + a)]

(h/3) × [(b + 2a)/(b + a)]

(h/3) × [(2b + a)/(b + a)]

(h/2) × [(b + 2a)/(b + a)]

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Applied Mechanics and Graphic Statics
The angle of projection at which the horizontal range and maximum height of a projectile are equal to

36°

56°

76°

45°

36°

56°

76°

45°

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Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

50 and 50

75 and 50

50 and 75

75 and 75

50 and 50

75 and 50

50 and 75

75 and 75

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics One Newton force, is

Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to

Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

Applied Mechanics and Graphic Statics
One Newton force, is

Applied Mechanics and Graphic Statics
The centre of gravity of the trapezium as shown in below figure from the side is at a distance of Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics
The angle of projection at which the horizontal range and maximum height of a projectile are equal to

Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively