Physics
General
Easy

Question

The escape velocity for a rocket from earth is 11.2kms-1 value on a planet where acceleration due to gravity is double that on earth and diameter of the planet is twice that of earth will be...km-1

  1. 11.2
  2. 22.4
  3. 5.6
  4. 53.6

The correct answer is: 22.4

Related Questions to study

General
physics

The escape velocity of a sphere of mass m from earth having mass M and Radius R is given by

The escape velocity of a sphere of mass m from earth having mass M and Radius R is given by

physicsGeneral
General
physics

A particle falls towards earth from infinity. It's velocity reaching the earth would be……

A particle falls towards earth from infinity. It's velocity reaching the earth would be……

physicsGeneral
General
physics

Radius of orbit of satellite of earth is R. Its  K.E is proportional to

Radius of orbit of satellite of earth is R. Its  K.E is proportional to

physicsGeneral
parallel
General
physics

Energy required to move a body of mass m from an orbit of radius 2R to  3R is

Energy required to move a body of mass m from an orbit of radius 2R to  3R is

physicsGeneral
General
physics

A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is….

A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is….

physicsGeneral
General
physics

The Gravitational P.E of a body of mas m at the earth's surface is -mg Re. Its gravitational potential energy at a height Re from the earth's surface will be = here (Re is the radius of the earth),

The Gravitational P.E of a body of mas m at the earth's surface is -mg Re. Its gravitational potential energy at a height Re from the earth's surface will be = here (Re is the radius of the earth),

physicsGeneral
parallel
General
physics

The Gravitational P.E of a body of mas  at the earth's surface is -mg Re. Its gravitational potential energy at a height Re from the earth's surface will be = here (Re is the radius of the earth),

The Gravitational P.E of a body of mas  at the earth's surface is -mg Re. Its gravitational potential energy at a height Re from the earth's surface will be = here (Re is the radius of the earth),

physicsGeneral
General
physics

Escape velocity of a body of 1 kg. on a planet is 100ms-1 . Gravitational potential energy of the body at the planet is =.....j

Escape velocity of a body of 1 kg. on a planet is 100ms-1 . Gravitational potential energy of the body at the planet is =.....j

physicsGeneral
General
physics

What is the intensity of gravitational field at the center of spherical shell

What is the intensity of gravitational field at the center of spherical shell

physicsGeneral
parallel
General
physics

A rocket is launched with velocity 10k m s to the power of negative 1 end exponent. If radius of earth is R then maximum height attained by it will be =…….

A rocket is launched with velocity 10k m s to the power of negative 1 end exponent. If radius of earth is R then maximum height attained by it will be =…….

physicsGeneral
General
physics

The masses and radius of earth and moon are M1 ,Rand M2 Rrespectively. Their centres are d distance of apart. The minimum velocity with which a particle of mass  should be projected from a point mid way between their centres so that it escapes to infinity is……

The masses and radius of earth and moon are M1 ,Rand M2 Rrespectively. Their centres are d distance of apart. The minimum velocity with which a particle of mass  should be projected from a point mid way between their centres so that it escapes to infinity is……

physicsGeneral
General
physics-

If P=fraction numerator A to the power of 2 end exponent B over denominator C to the power of 3 end exponent end fraction where percentage error in A comma B and C are respectively plus 2 percent sign plus-or-minus 3 percent sign and plus-or-minus 5 percent sign then total percentage error in measurement of p

If P=fraction numerator A to the power of 2 end exponent B over denominator C to the power of 3 end exponent end fraction where percentage error in A comma B and C are respectively plus 2 percent sign plus-or-minus 3 percent sign and plus-or-minus 5 percent sign then total percentage error in measurement of p

physics-General
parallel
General
physics

The mass of the earth is 6.00cross times 10 to the power of 24 Kg and that of the moon is 7.40cross times 10 to the power of 22 kg. The constant of gravitation  G=6.667cross times 10 negative 11 to the power of blankNm-2 kg--2.The potential energy of the system is -7.79cross times 10 to the power of 28 Joules. the mean distance between the earth and moon is =

The mass of the earth is 6.00cross times 10 to the power of 24 Kg and that of the moon is 7.40cross times 10 to the power of 22 kg. The constant of gravitation  G=6.667cross times 10 negative 11 to the power of blankNm-2 kg--2.The potential energy of the system is -7.79cross times 10 to the power of 28 Joules. the mean distance between the earth and moon is =

physicsGeneral
General
Maths-

text  If  end text a with not stretchy bar on top equals ı with not stretchy bar on top plus 2 ȷ with not stretchy bar on top plus 3 k with not stretchy bar on top comma b with not stretchy bar on top equals negative ı with not stretchy bar on top plus 2 ȷ with not stretchy bar on top plus k with not stretchy bar on top comma c with not stretchy bar on top equals 3 ı with not stretchy bar on top plus ȷ with not stretchy bar on top text  and  end text a with not stretchy bar on top plus t b with not stretchy bar on top is perpendicular to stack c with ‾ on top, then t equals

For this question, we should know the rules of dot product.

text  If  end text a with not stretchy bar on top equals ı with not stretchy bar on top plus 2 ȷ with not stretchy bar on top plus 3 k with not stretchy bar on top comma b with not stretchy bar on top equals negative ı with not stretchy bar on top plus 2 ȷ with not stretchy bar on top plus k with not stretchy bar on top comma c with not stretchy bar on top equals 3 ı with not stretchy bar on top plus ȷ with not stretchy bar on top text  and  end text a with not stretchy bar on top plus t b with not stretchy bar on top is perpendicular to stack c with ‾ on top, then t equals

Maths-General

For this question, we should know the rules of dot product.

General
Maths-

The acute angle made by the line joining the points left parenthesis 1 comma negative 32 right parenthesis and left parenthesis 3 comma negative 51 right parenthesis with the Y-axis is

We should remember the formula of direction cosines of all the angles.

The acute angle made by the line joining the points left parenthesis 1 comma negative 32 right parenthesis and left parenthesis 3 comma negative 51 right parenthesis with the Y-axis is

Maths-General

We should remember the formula of direction cosines of all the angles.

parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.