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The velocity of a projectile at the init...

The velocity of a projectile at the initial point A is `(2hati+3hatj) m//s`. Its velocity (in m/s) at point B is

A

`2hati+3hatj`

B

`-2hati-3hatj`

C

`-2hati+3hatj`

D

`2hati-3hatj`

Text Solution

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The correct Answer is:
D
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ALLEN -MOTION IN A PALNE-EXERCISE-1
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  7. Galileo writes that for angles of projection of a projectile at angles...

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  8. A paricle starting from the origin (0,0) moves in a straight line in (...

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  9. A projectile can have the same range R for two angles of projection. I...

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  10. A monkey is sitting on the tree. A hunter fires a bullet to kill him. ...

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  11. A particle of mass m is projected with velocity making an angle of 45^...

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  12. A ball is projected to attain the maximum range. If the height attaine...

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  13. Two projectiles are fired from the same point with the same speed at a...

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  14. A ball is projected vertically upwards with a certain initial speed. A...

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  15. The speed of a projectile at its maximum height is half of its initial...

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  16. A missile is fired for maximum range with an initial velocity of 20m//...

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  17. A projectile is fired at an angle of 45^(@) with the horizontal. Eleva...

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  18. The horizontal range and the maximum height of a projectile are equal....

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  19. The velocity of a projectile at the initial point A is (2hati+3hatj) m...

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  20. A projectile is projected from ground with initial velocity vecu=u(0)h...

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