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    General
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    Maths-

    f colon R not stretchy rightwards arrow R is a function defined by f left parenthesis x right parenthesis equals fraction numerator e to the power of ∣ x end exponent minus e to the power of negative x end exponent over denominator e to the power of x plus e to the power of negative x end exponent end fraction. text  Then  end text f stack stack text  is  end text with _ below with _ below

    Maths-General

    1. one-one and onto
    2. one-one but not onto
    3. onto but not one-one
    4. neither one-one nor onto

      Answer:The correct answer is: neither one-one nor onto

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      If f colon R not stretchy rightwards arrow R defined by f left parenthesis x right parenthesis equals fraction numerator e to the power of x squared end exponent minus e to the power of negative x squared end exponent over denominator e to the power of x squared end exponent plus e to the power of negative x squared end exponent end fraction text , then  end text f text  is  end text

      If f colon R not stretchy rightwards arrow R defined by f left parenthesis x right parenthesis equals fraction numerator e to the power of x squared end exponent minus e to the power of negative x squared end exponent over denominator e to the power of x squared end exponent plus e to the power of negative x squared end exponent end fraction text , then  end text f text  is  end text

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      A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?

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      As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

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      A Particle of mass m is at rest at t=0 The force exerting on it in x-direction is  F(t)=Fae-k. Which one of the following graph is of speed

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      A branch of physics dealing with motion without considering its causes is known as ....

      A branch of physics dealing with motion without considering its causes is known as ....

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      Mechanics is a branch of physics. This branch is ...

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      To locate the position of the particle we need

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      Frame of reference is a ... and a ···.. from where an observer takes his observation,

      Frame of reference is a ... and a ···.. from where an observer takes his observation,

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      As shown in the figure a particle moves from. 0 to A, and then A to B. Find pathlength and displacement.

      As shown in the figure a particle moves from. 0 to A, and then A to B. Find pathlength and displacement.

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      maths-

      open vertical bar table attributes columnalign center center center columnspacing 1em end attributes row 1 w cell w squared end cell row w cell w squared end cell 1 row cell w squared end cell 1 w end table close vertical bar equals

      open vertical bar table attributes columnalign center center center columnspacing 1em end attributes row 1 w cell w squared end cell row w cell w squared end cell 1 row cell w squared end cell 1 w end table close vertical bar equals

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      If A equals open square brackets table attributes columnalign left left left columnspacing 1em end attributes row cell 1      0      1 end cell row cell 2      1      0 end cell row cell 3      2      1 end cell end table close square brackets then det A=

      If A equals open square brackets table attributes columnalign left left left columnspacing 1em end attributes row cell 1      0      1 end cell row cell 2      1      0 end cell row cell 3      2      1 end cell end table close square brackets then det A=

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      Which of the following relations is true

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      Y equals 2 eta open parentheses 1 plus sigma close parentheses rightwards double arrow sigma equals fraction numerator 0.5 Y minus eta over denominator eta end fraction
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      The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
      Area of cross-section of wire 10 to the power of negative 6 end exponent m to the power of 2 end exponent
      Extensional of wire 2 cross times 10 to the power of negative 9 end exponent m
      Which of the following deductions can be correctly made from this data?
      I. The value of Young’s Modulus is 10 to the power of 11 end exponent N blank m to the power of negative 2 end exponent
      II. The strain is 10 to the power of negative 3 end exponent
      III. The energy stored in the wire when the load is applied is 10 J

      Stress = fraction numerator 100 N over denominator 10 to the power of negative 6 end exponent m to the power of 2 end exponent end fraction equals 10 to the power of 8 end exponent blank N m to the power of negative 2 end exponent
      Strain equals blank fraction numerator 2 cross times 10 to the power of negative 3 end exponent over denominator 2 end fraction equals 10 to the power of negative 3 end exponent
      Young modulus
      = fraction numerator 10 to the power of 8 end exponent over denominator 10 to the power of negative 3 end exponent end fraction blank N m to the power of negative 2 end exponent equals 10 to the power of 11 end exponent blank N m to the power of negative 2 end exponent
      Energy stored = fraction numerator 1 over denominator 2 end fraction cross times 100 blank cross times 2 cross times 10 to the power of negative 3 end exponent blank J
      = 10minus1H = 0.1J

      The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
      Area of cross-section of wire 10 to the power of negative 6 end exponent m to the power of 2 end exponent
      Extensional of wire 2 cross times 10 to the power of negative 9 end exponent m
      Which of the following deductions can be correctly made from this data?
      I. The value of Young’s Modulus is 10 to the power of 11 end exponent N blank m to the power of negative 2 end exponent
      II. The strain is 10 to the power of negative 3 end exponent
      III. The energy stored in the wire when the load is applied is 10 J

      physics-General
      Stress = fraction numerator 100 N over denominator 10 to the power of negative 6 end exponent m to the power of 2 end exponent end fraction equals 10 to the power of 8 end exponent blank N m to the power of negative 2 end exponent
      Strain equals blank fraction numerator 2 cross times 10 to the power of negative 3 end exponent over denominator 2 end fraction equals 10 to the power of negative 3 end exponent
      Young modulus
      = fraction numerator 10 to the power of 8 end exponent over denominator 10 to the power of negative 3 end exponent end fraction blank N m to the power of negative 2 end exponent equals 10 to the power of 11 end exponent blank N m to the power of negative 2 end exponent
      Energy stored = fraction numerator 1 over denominator 2 end fraction cross times 100 blank cross times 2 cross times 10 to the power of negative 3 end exponent blank J
      = 10minus1H = 0.1J