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Two seconds after projection, a projecti...

Two seconds after projection, a projectile is travelling in a direction inclined at `30^@` to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of its velocity.

A

`2sqrt20m//sec,60^(@)`

B

`20sqrt3m//sec,60^(@)`

C

`6sqrt40m//sec,30^(@)`

D

`40sqrt6m//sec,30^(@)`

Text Solution

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The correct Answer is:
B
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MOTION-PROJECTILE MOTION-EXERCISE-1
  1. For angles of projection of a projectile at angle (45^(@) - theta) and...

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  2. The time of flight of a projectile is 10 s and range is 500m. Maximum ...

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  3. Two seconds after projection, a projectile is travelling in a directio...

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  4. A particle is projected with a speed V from a point O making an angle ...

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  5. Two projectiles are thrown simultaneously in the same plane from the s...

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  6. Two projectivles are thrown simultaneously in the same plane from the ...

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

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  8. A projectile is fired with a speed u at an angle theta with the horizo...

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  9. A person is standing on a truck moving with a constant velocity of 14....

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  10. Two particles are projected from the same point with the same speed at...

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  11. A man on a moving cart, facing the direction of motion, thrown a ball ...

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  12. A particle is projected with velocity u at an angle alpha from a point...

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  13. One second after the projection, a stone moves at an angle of 45^@ wi...

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  14. In previous questions, the initial velocity of projection of stone is-

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  15. The equation of a projectile is y=sqrt(3)x-(gx^(2))/(2) the angle of...

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

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  17. The trajectory of a projectile fired horizontally with velocity u is p...

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  18. A cannon on a level plane is aimed at an angle theta above the horizon...

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  19. A projectile is thorwn with a velocity of 50ms^(-1) at an angle of 53^...

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  20. A projectile is thorwn with a velocity of 50ms^(-1) at an angle of 53^...

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