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A body is projected vertically upward fr...

A body is projected vertically upward from the surface of the earth, then the velocity-time graph is:-

A

B

C

D

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • An objects is projected vertically upwards from the surface of the earth with a velocity 3 times the escape velocity v_(e ) from earth's surface. What will be its final velocity after escape from the earth's gravitational pull ?

    A
    `sqrt(2)v_(e )`
    B
    `2sqrt(2)v_(e )`
    C
    `2v_(e )`
    D
    `(v_(e ))/(sqrt(2))`

  • A body is projected vertically upwards from the surface of the earth. If its kinetic energy is equal to half of its minimum value required to escape from the gravitational influece, then the height upto which it rises is

    A
    4R
    B
    3R
    C
    2R
    D
    R

  • The escape velocity of a body projected vertically upwards from the surface of the earth is v.If the body is projected in a direction making an angle theta with the vertical, the vetical, the escape velocity would be

    A
    v
    B
    `v cos theta`
    C
    `v sin theta`
    D
    `v tan theta`

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    A body is projected vertically upwards from the surface of the earth with a velocity equal to half of escape velocity of the earth. If R is radius of the earth, maximum height attained by the body from the surface of the earth is

    A body is projected vertically upwards from the surface of earth with a velocity equal to half the escape velocity. If R be the radius of earth, maximum height attained by the body from the surface of earth is ( R)/(n) . Find the value of n.

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