Home
Class 12
PHYSICS
A stone thrown upwards with a speed u fr...

A stone thrown upwards with a speed u from the the top of the tower reaches the ground with a speed 3u. The height of the tower is

A

Moved farther away from the cannon and lowered

B

Moved farther away from the cannon and raised

C

Moved closer to the cannon and lowered

D

Moved closer to the cannon and raised

Text Solution

Verified by Experts

The correct Answer is:
D
If the projection angle is increased, maximum height will increase.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#6|4 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#7|3 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#4|3 Videos

  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|46 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

A stone thrown upward with a speed u from the top of a tower reaches the ground with a velocity 4u. The height of the tower is

A ball is thrown upward with speed 10 m/s from the top to the tower reaches the ground with a speed 20 m/s. The height of the tower is [Take g=10m//s^(2) ]

Knowledge Check

  • A stone is thrown vertically upwards with an initial velocity u form the top of a tower, recahes the ground with a velocity 3u. The height of the tower is

    A
    `(3u^(2))/(g)`
    B
    `(4u^(2))/(g)`
    C
    `(6u^(2))/(g)`
    D
    `(9u^(2))/(g)`

    • Similar Questions

    Explore conceptually related problems

    A stone is thrown vertically upwards with an initial speed u from the top of a tower, reaches the ground with a speed 3 u . The height of the tower is :

    A stone dropped from the top of a tower reaches the ground in 3 s. The height of the tower is

    A body is projected vertically upwards with speed u from the top of a tower. It strikes at the ground with speed 3u. What is (a) height of tower and (b) time take by the body to reach at the ground?

    A stone released with zero velocity from the top of a tower, reaches the ground in 4s. The height of the tower is (g = 10 m//s^(2))

    A stone is thrown downwards with velocity 10 m/s from the roof of a builng and it reaches the ground with speed 40 m/s. the height of the building would be

    A stone is dropped from the top of a tower. If it hits the ground after 10 seconds, what is the height of the tower?

    A body is projected vertically up with velocity u from a tower. It reaches the ground with velocity nu. The height of the tower is H=u^2/(2g)(n^2-1)

    Home
    Profile