Home
Class 12
PHYSICS
A body is fired with a velocity of magni...

A body is fired with a velocity of magnitude `sqrt(gR) lt V lt sqrt(2gR)` at an angle of `30^(@)` with the radius vector of earth. If at the highest point the speed of the body is `V//4`, the maximum height attained by the body is equal to:

A

`v^(2)//8g`

B

`R `

C

`sqrt(2) R`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Objective) (level-I) Assertion & Reasoning type|2 Videos

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Objective) (level-II)|20 Videos

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Subjective) (level II & III)|15 Videos

  • GMP ASSESMENT

    FIITJEE|Exercise Numerical Based|61 Videos

  • HEAT AND TEMPERATURE

    FIITJEE|Exercise NUMERICAL BASES QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

A body is projected with a velocity of 30 ms^(-1) at an angle of 30^(@) with the vertical. Find the maximum height, time of flight and the horizontal range.

A body is projected at an angle of 30^(@) with a velocity of 320 ft//"sec" , then the maximum height attained ………..

Knowledge Check

  • A body is fired with a velocity of magnitude sqrt(gR) lt Vsqrt(2gR) at an angle of 30^(@) with the radius vector of earth. If at the highest point the speed of the body is V//4 , the maximum height attained by the body is equal to:

    A
    `V^(2)//8g`
    B
    `R`
    C
    `sqrt(2)R`
    D
    none of these

  • A body is fired with a velocity of magnitude sqrt(gR)ltVltsqrt(2gR) at an angle of 30^@ with the radius vector of the earth. If at the highest point, the speed of the body is V//4 , the maximum height attained by the body is equal to

    A
    `(V^(2))/(8g)`
    B
    `R`
    C
    `sqrt(2)R`
    D
    none of these

  • A body is projected at an angle of 30^(@) with the horizontal with momentum P .At its highest point the magnitude of the momentum is:

    A
    `sqrt3/2P`
    B
    `2/sqrt3P`
    C
    `P`
    D
    `P/2`

    • Similar Questions

    Explore conceptually related problems

    A body is projected up from the surface of the earth with a velocity half the escape velocity at an angle of 30^(@) with the horizontal. Neglecting air resistance and earth’s otation, find (a) the maximum height above the earth’s surface to which the body will rise. (b) will the body move around the earth as a satellite?

    Two balls A and B are thrown vertically upwards from the same location on the surface of the earth with velocities 2 sqrt((gR)/(3)) and sqrt((2gR)/(3)) respectively, where R is the radius of the earth and g is the acceleration due to gravity on the surface of the earth. The ratio of the maximum height attained by A to that attained by B is

    If the velocity of centre of mass of a rolling body is V then velocity of highest point of that body is

    A rigid body of moment of inertial I is projected with velocity V making an angle of 45^(@) with horizontal. The magnitude of angular momentum of the projectile about the point of projection when the body is its maximum height is given by (IV^(3))/(2sqrt(2)gR^(2)) where R is the radius of the rigid body. the ridid body is

    A body is thrown from the surface of the earth with velocity (gR_(e))//12 , where R_(e) is the radius of the earth at some angle from the vertical. If the maximum height reached by the body is R_(e)//4 , then the angle of projection with the vertical is

    Home
    Profile