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A body is thrown with a velocity of 9.8 ...

A body is thrown with a velocity of `9.8 m//s` making an angle of `30^(@)` with the horizontal. It will hit the ground after a time

A

3s

B

2s

C

1.5s

D

1s

Text Solution

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The correct Answer is:
D
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MOTION-KINEMATICS-EXERCISE 1 OBJECTIVE PROBLEMS
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  2. The horizontal and vertical distances travelled by a particle in time ...

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  3. A body is thrown with a velocity of 9.8 m//s making an angle of 30^(@)...

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  4. A projectile thrown with a speed v at an angle theta has a range R on...

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  5. In a projectile motion the velocity

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  6. Two projectiles A and B are projected with an angle of projection 15^(...

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  7. A ball is thrown upwards and returns to the ground describing a parabo...

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  8. The angle of projection of a body is 15^(@).. The other angle for whic...

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  9. A stone is thrown at an angle of 45^(@) to the horizontal with kinetic...

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  10. The maximum range of a projectile is 22 m. When it is thrown at an ang...

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  11. The equation of projectile is y = 16 x - (5 x^2)/(4). Find the horizon...

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  12. If four balls A,B,C,D are projected with same speed at angles of 15^(@...

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  13. The velocity at the maximum height of a projectile is half of its velo...

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  14. A ball P is dropped vertically and another ball Q is thrown horizont...

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  15. An aeroplane is flying at a height of 1960 m in horizontal direction w...

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  16. A ball is hit by a batsman at an angle of 37^(@) as shown in figure. T...

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  17. Trajectories of two projectiles are shown in figure.Let T(1) and T(2) ...

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  18. A hollow vertical cylinder of radius r and height h has a smooth inter...

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  20. Rank the launch angles for the five paths in the figure below with res...

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