General
Easy
Physics

Potential energy of a satellite having mass m and rotating at a height of 6.4cross times 10 to the power of 6 m from the surface of earth

PhysicsGeneral

  1. -0.5mgRe
  2. mg Re
  3. -2mgRe
  4. 4mgRe

    Answer:The correct answer is: -0.5mgRe

    Book A Free Demo

    +91

    Grade*

    Related Questions to study

    General
    chemistry-

    Which of the following statements about the interstitial compounds is incorrect?

    Interstitial compounds are chemically inert, so, choice (2) is incorrect

    Which of the following statements about the interstitial compounds is incorrect?

    chemistry-General
    Interstitial compounds are chemically inert, so, choice (2) is incorrect
    General
    maths-

    The slant height of a cone is fixed as  7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm

    The slant height of a cone is fixed as  7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm

    maths-General
    General
    maths-

    If open parentheses table row cell x minus 2 y end cell cell 5 y end cell row 6 cell a minus 2 b end cell end table close parentheses equals 5 open parentheses table attributes columnalign left end attributes row 4 2 row cell fraction numerator b over denominator 5 end fraction end cell 6 end table close parentheses then a=x

    If open parentheses table row cell x minus 2 y end cell cell 5 y end cell row 6 cell a minus 2 b end cell end table close parentheses equals 5 open parentheses table attributes columnalign left end attributes row 4 2 row cell fraction numerator b over denominator 5 end fraction end cell 6 end table close parentheses then a=x

    maths-General
    General
    maths-

    If f open parentheses x close parentheses equals vertical line log subscript 10 end subscript invisible function application x vertical line, then at x equals 1

    As is evident from the graph of f left parenthesis x right parenthesis that it is continuous but not differentiable at x equals 1

    Now,
    f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with x rightwards arrow 1 to the power of plus end exponent below invisible function application fraction numerator f open parentheses x close parentheses minus f left parenthesis 1 right parenthesis over denominator x minus 1 end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator f open parentheses 1 plus h close parentheses minus f left parenthesis 1 right parenthesis over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript 10 end subscript invisible function application open parentheses 1 plus h close parentheses minus 0 over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log invisible function application left parenthesis 1 plus h right parenthesis over denominator h. log subscript e end subscript invisible function application 10 end fraction equals fraction numerator 1 over denominator log subscript e end subscript invisible function application 10 end fraction equals log subscript 10 end subscript invisible function application e
    f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with x rightwards arrow 1 to the power of plus end exponent below invisible function application fraction numerator f open parentheses x close parentheses minus f left parenthesis 1 right parenthesis over denominator x minus 1 end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator f open parentheses 1 minus h close parentheses minus f left parenthesis 1 right parenthesis over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript 10 end subscript invisible function application open parentheses 1 minus h close parentheses over denominator h end fraction equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript e end subscript invisible function application left parenthesis 1 minus h right parenthesis over denominator h log subscript e end subscript invisible function application 10 end fraction equals negative log subscript 10 end subscript invisible function application e

    If f open parentheses x close parentheses equals vertical line log subscript 10 end subscript invisible function application x vertical line, then at x equals 1

    maths-General
    As is evident from the graph of f left parenthesis x right parenthesis that it is continuous but not differentiable at x equals 1

    Now,
    f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with x rightwards arrow 1 to the power of plus end exponent below invisible function application fraction numerator f open parentheses x close parentheses minus f left parenthesis 1 right parenthesis over denominator x minus 1 end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator f open parentheses 1 plus h close parentheses minus f left parenthesis 1 right parenthesis over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript 10 end subscript invisible function application open parentheses 1 plus h close parentheses minus 0 over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of plus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log invisible function application left parenthesis 1 plus h right parenthesis over denominator h. log subscript e end subscript invisible function application 10 end fraction equals fraction numerator 1 over denominator log subscript e end subscript invisible function application 10 end fraction equals log subscript 10 end subscript invisible function application e
    f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with x rightwards arrow 1 to the power of plus end exponent below invisible function application fraction numerator f open parentheses x close parentheses minus f left parenthesis 1 right parenthesis over denominator x minus 1 end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator f open parentheses 1 minus h close parentheses minus f left parenthesis 1 right parenthesis over denominator h end fraction
    rightwards double arrow f to the power of ´ ´ end exponent open parentheses 1 to the power of minus end exponent close parentheses equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript 10 end subscript invisible function application open parentheses 1 minus h close parentheses over denominator h end fraction equals stack lim with h rightwards arrow 0 below invisible function application fraction numerator log subscript e end subscript invisible function application left parenthesis 1 minus h right parenthesis over denominator h log subscript e end subscript invisible function application 10 end fraction equals negative log subscript 10 end subscript invisible function application e
    General
    physics

    A satellite with K.E. EK is revolving round the earth in a circular orbit. How much more K.E. should be given to it so that it may just escape into outer space?

    A satellite with K.E. EK is revolving round the earth in a circular orbit. How much more K.E. should be given to it so that it may just escape into outer space?

    physicsGeneral
    General
    physics

    When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as

    When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as

    physicsGeneral
    General
    chemistry-

    The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is

    2 M n O subscript 2 end subscript plus 4 K O H plus O subscript 2 end subscript rightwards arrow 2 K subscript 2 end subscript stack M with plus 6 on top n O subscript 4 end subscript plus 2 H subscript 2 end subscript O

    The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is

    chemistry-General
    2 M n O subscript 2 end subscript plus 4 K O H plus O subscript 2 end subscript rightwards arrow 2 K subscript 2 end subscript stack M with plus 6 on top n O subscript 4 end subscript plus 2 H subscript 2 end subscript O
    General
    maths-

    If A equals open square brackets table row 4 cell x plus 2 end cell row cell 2 x minus 3 end cell cell x plus 1 end cell end table close square brackets is symmetric then trace of A  is

    If A equals open square brackets table row 4 cell x plus 2 end cell row cell 2 x minus 3 end cell cell x plus 1 end cell end table close square brackets is symmetric then trace of A  is

    maths-General
    General
    physics

    The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours

    The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours

    physicsGeneral
    General
    maths-

    If A,B,C are the maximum velocities of the particles moving according to the law S equals 60 t minus 5 t to the power of 3 end exponent comma S equals 6 t minus fraction numerator 1 over denominator 2 end fraction t to the power of 3 end exponent comma S equals 10 t minus 7 t to the power of 3 end exponent respectively then the ascending order of A,B,C is

    If A,B,C are the maximum velocities of the particles moving according to the law S equals 60 t minus 5 t to the power of 3 end exponent comma S equals 6 t minus fraction numerator 1 over denominator 2 end fraction t to the power of 3 end exponent comma S equals 10 t minus 7 t to the power of 3 end exponent respectively then the ascending order of A,B,C is

    maths-General
    General
    physics

    A satellite moves around the earth in a circular orbit of radius r with speed v, If mass of the satellite is M, its total energy is

    A satellite moves around the earth in a circular orbit of radius r with speed v, If mass of the satellite is M, its total energy is

    physicsGeneral
    General
    chemistry-

    Which one of the following d-block elements has half-filled penultimate d-subshell as well as half filled penultimate d-subshell as well as half filled valence s-subshell?

    Which one of the following d-block elements has half-filled penultimate d-subshell as well as half filled penultimate d-subshell as well as half filled valence s-subshell?

    chemistry-General
    General
    physics

    A person sitting in a chair in a satellite feels weightless because

    A person sitting in a chair in a satellite feels weightless because

    physicsGeneral
    General
    chemistry-

    The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of

    2 C r O subscript 4 end subscript superscript 2 minus end superscript plus 2 H to the power of plus end exponent rightwards arrow C r subscript 2 end subscript O subscript 7 end subscript superscript 2 minus end superscript plus H subscript 2 end subscript O

    The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of

    chemistry-General
    2 C r O subscript 4 end subscript superscript 2 minus end superscript plus 2 H to the power of plus end exponent rightwards arrow C r subscript 2 end subscript O subscript 7 end subscript superscript 2 minus end superscript plus H subscript 2 end subscript O
    General
    maths-

    A conical vessel of height 10ft and semivertical angle 30 to the power of ring operator end exponent is full of water. If empties in such away that the height at the water in the vessel is decreasing at a constant rate of 1ft/min. Then the rate at which the volume of water in the vessel is decreasing when its height is  6ft. is

    A conical vessel of height 10ft and semivertical angle 30 to the power of ring operator end exponent is full of water. If empties in such away that the height at the water in the vessel is decreasing at a constant rate of 1ft/min. Then the rate at which the volume of water in the vessel is decreasing when its height is  6ft. is

    maths-General