A body is projected with velocity 60m/se...

A body is projected with velocity 60m/sec at 30 degree horizontal, its initial velocity vector is ? In the above problem velocity after 3 seconds is-

`20 hati+20 sqrt(3)hatj`

`30 hati`

`10 sqrt(3)hatj`

`30 sqrt(3)hati`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MOTION IN A PLANE
AAKASH SERIES|Exercise EXERCISE-2 (Horizontal projectile motion)|14 Videos
MOTION IN A PLANE
AAKASH SERIES|Exercise EXERCISE-2 (Circular motion)|7 Videos
MOTION IN A PLANE
AAKASH SERIES|Exercise EXERCISE-2 (A boat in a river)|7 Videos
MAGNETISM
AAKASH SERIES|Exercise ADDITIONAL EXERCISE|22 Videos
MOTION IN A PLANE
AAKASH SERIES|Exercise QUESTION FOR DESCRIPTIVE ANSWER|7 Videos

Similar Questions

Explore conceptually related problems

A body is projected with a velocity 60 ms ^(-1) at 30^(@) to horizontal . Its initial velocity vector is

A body is projected with an initial Velocity 20 m/s at 60° to the horizontal. Its initial velocity vector is- (g=10 m//s^2 )

A body is projected with an initial Velocity 20 m/s at 60° to the horizontal. Its velocity after 1 sec is

A body is projected with an initial elocity 20m/s at 60° to the horizontal. The displacement after 2 s is

A particle is projected with velocity u at angle theta with horizontal. Find the time when velocity vector is perpendicular to initial velocity vector.

A body is projected at angle 30° to horizontal with a velocity 50 ms^(-1) .In the above problem range of body is m. [g = 10 ms^(-2) ]

A body is projected with a velocity of 30m/s to have to horizontal range of 45m. Find the angle of projection .

A body is projected with an initial velocity of 58.8 m/s at angle 60° with the vertical. The vertical component of velocity after 2 sec is

A body is projected with velocity u at an angle of projection theta with the horizontal. The direction of velocity of the body makes angle 30^@ with the horizontal at t = 2 s and then after 1 s it reaches the maximum height. Then

AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Oblique project

A body is projected with a velocity 60 ms ^(-1) at 30^(@) to horizont...
Text Solution
|
A body is projected with velocity 60m/sec at 30 degree horizontal, its...
Text Solution
|
In the above problem the displacement after 2 s is:
Text Solution
|
A body is projected down from height of 60 m with a velocity 10 ms ^(-...
Text Solution
|
A body is projected with velocity u such that its horizontal range and...
Text Solution
|
A stone is projected from the ground with a velocity of 14 ms ^(-1). O...
Text Solution
|
The height y and horizontal distance x covered by a projectile in a ti...
Text Solution
|
A body is projected at an angle of 30^@ with the horizontal and with a...
Text Solution
|
A ball is projected obliquely with a velocity 49 ms^(-1) strikes the ...
Text Solution
|
The potential energy of a projectile at maximum height is 3/4 times ki...
Text Solution
|
Two bodies are thrown from the same point with the same velocity of 50...
Text Solution
|
A gun fires a bullet at a speed of 140 ms^(-1). If the bullet is to hi...
Text Solution
|
A body is projected with velocity 24 ms^(-1) making an angle 30° with...
Text Solution
|
A particle is thrown with velocity u at an angle prop from the horizon...
Text Solution
|
The equation of trajectory of a projectile is y=10x-(5/9)x^(2). If we ...
Text Solution
|
An object is projected with a velocity of 20ms^(-1) making an angle of...
Text Solution
|
For a projectile, the ratio of maximum height reached to the square of...
Text Solution
|
The speed of a projectile at its maximum height is sqrt(3) //2 times i...
Text Solution
|
The velocity at the maximum height of a projectile is half of its init...
Text Solution
|
A person throws a bottle into a dustbin at the same height as he is 2m...
Text Solution
|