Home
Class 11
PHYSICS
A body is projected with a velocity u at...

A body is projected with a velocity u at an angle `theta` with the horizontal . At t= 2s , the body makes an angle `30^@` with the horizontal . 1 s later, it attains its maximum height . Then

A

`u=20 sqrt(3) m//s`

B

`theta =60^@`

C

`theta= 45^@`

D

`u=(20)/sqrt(3) m//s`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • VECTOR

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Comprehension type)|10 Videos

  • VECTOR

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Integer answer type)|2 Videos

  • VECTOR

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion -reason type)|12 Videos

  • THERMOMETRY

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIEVE - WBJEE|1 Videos

  • VISCOSITY AND SURFACE TENSION

    CHHAYA PUBLICATION|Exercise EXERCISE (CBSE SCANNER)|9 Videos

Similar Questions

Explore conceptually related problems

A body is projected with initial velocity u making an angle theta with the horizontal direction . Find the value of theta for which the horizontal range becomes maximum . Find the maximum range also.

A body is projected with initial velocity u making an angle theta with the horizontal direction. Find the value of theta for which the horizontal range become maximum. Find the maximum range also.

A body is projected with a velocity 20 m*s^(-1) , making an angle of 45^@ with the horizontal. Calculate (ii) horizontal range.

A body is projected with a velocity 20 m*s^(-1) , making an angle of 45^@ with the horizontal. Calculate the maximum height it can attain

A body is projected with a velocity 20 m*s^(-1) , making an angle of 45^@ with the horizontal. Calculate (i) the time taken to reach the ground [g=10 m*s^(-2)] ,

A body is projected with a speed u m/s at an angle beta with the horizontal. The kinetic energy at the highest point is 3/4th of the initial kinetic energy. The value of beta is :

A stone is thrown from the ground with a velocity of 14 m *s^(-1) , making an angle 60^@ with the horizontal. (i) What is the maximum height attained by the stone ?