Applied Mechanics and Graphic Statics
Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is

400 m
375 m
425 m
350 m

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Applied Mechanics and Graphic Statics
A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

Vertical component of velocity remains constant
Speed of the ball remains constant
Kinetic energy of the ball remains constant
Horizontal component of velocity remains constant

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Applied Mechanics and Graphic Statics
The phenomenon of collision of two elastic bodies takes place because bodies

All listed here
Tend to compress each other till they are compressed maximum possible
Attempt to regain its original shape due to their elasticities
Immediately after collision come momentarily to rest

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Applied Mechanics and Graphic Statics
Periodic time of body moving with simple harmonic motion, is

Directly proportional to the square of its angular velocity
Inversely proportional to the square of its angular velocity
Directly proportional to its angular velocity
Inversely proportional to its angular velocity

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