The speed of a projectile when it is at ...

The speed of a projectile when it is at its greatest height is `sqrt(2//5)` times its speed at half the maximum height. The angle of projection is

A

`30^(@)`

B

` 45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:

C

Topper's Solved these Questions

MOTION IN A PLANE
AAKASH INSTITUTE|Exercise Assignement section -C Objective (More than one option is correct)|5 Videos
MOTION IN A PLANE
AAKASH INSTITUTE|Exercise Assignement section -D (Linked Comprehension)|8 Videos
MOTION IN A PLANE
AAKASH INSTITUTE|Exercise Assignement section -A Objective (one option is correct)|50 Videos
MOCK_TEST_17
AAKASH INSTITUTE|Exercise Example|15 Videos
MOTION IN A STRAIGHT LINE
AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - D)|15 Videos

Similar Questions

Explore conceptually related problems

The total speed of a projectile at its greater height is sqrt(6/7) of its speed when it is at half of its greatest height. The angle of projection will be :-

The velocity of a projectile when it is at the greatest height is (sqrt (2//5)) times its velocity when it is at half of its greatest height. Determine its angle of projection.

The horizontal range of a projectile is 2 sqrt(3) times its maximum height. Find the angle of projection.

The speed of a projectile at its maximum height is sqrt3//2 times its initial speed. If the range of the projectile is n times the maximum height attained by it, n is equal to :

The launching speed of a certain projectile is five times the speed it has at its maximum height.Its angles of projection is

The horizontal range of a projectile is 4 sqrt(3) times its maximum height. Its angle of projection will be

Find the angle of projection for a projectile if its speed at maximum height is sqrt(5//9) times its speed at one-third of maximum height (g=10ms^(-2))

If the range of a projectile is x times its maximum height attained and also its speed at maximum height is 1/2 times its speed of projection, then the value of x is

AAKASH INSTITUTE-MOTION IN A PLANE-Assignement section -B Objective (one option is correct)

One second after the projection, a stone moves at an angle of 45^@ wi...
Text Solution
|
The horizontal range of a projectile is R and the maximum height attai...
Text Solution
|
The speed of a projectile when it is at its greatest height is sqrt(2/...
Text Solution
|
If the horizontal range of a projectile be a and the maximum height at...
Text Solution
|
A grasshopper can jump a maximum horizontal distance of 40cm. If it sp...
Text Solution
|
A body is projected horizontally with a speed v(0) find the velocity o...
Text Solution
|
A particle is thrown with the speed u at an angle alpha with the horiz...
Text Solution
|
A projectile is thrown with an initial velocity (v(x)hati + v(y)hatj) ...
Text Solution
|
A particle is projected with a velocity of 30 m/s at an angle theta...
Text Solution
|
A projectile has same range for two angules of projection. If times of...
Text Solution
|
A particle is projected with velocity 50 m/s at an angle 60^(@) with...
Text Solution
|
A projectile is fired to have maximum range 500 m. Maximum height atta...
Text Solution
|
A particle projected at some angle with velocity 50 m/s crosses a 20 m...
Text Solution
|
Two paper screens A and B are separated by a distance of 100m. A bulle...
Text Solution
|
A stone is thrown from the top of a tower at an angle of 30^(@) above...
Text Solution
|
A level flight olane flying at an altitude of 1024 ft with a speed of ...
Text Solution
|
A particle is projected from the bottom of an inclined plane of inclin...
Text Solution
|
A man desires to swim across the river in shortest time. The velocity ...
Text Solution
|
Two cars A and B cross a point P with velocities 10m//s and 15m//s. Af...
Text Solution
|
A man can swim at 4 m/s in a still water swimming pool. He enters a ...
Text Solution
|