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Show that the position vector of a place on the surface of the earth with latitude and longitude α∘N and β∘E respectively, is r→ = R cos α sin βiˆ+ R cos α cos βjˆ+ R sin α kˆ, where R is the radius of the earth.The frame of reference is erected at the centre of the earth with the polar radius as the z-axis and the intersection of the equatorial plane and the meridian plane through Greenwich as the y-axis.
23
Aug
Show that the position vector of a place on the surface of the earth with latitude and longitude α∘N and β∘E respectively, is r→ = R cos α sin βiˆ+ R cos α cos βjˆ+ R sin α kˆ, where R is the radius of the earth.The frame of reference is erected at the centre [...]
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If a and b are the intersecting face diagonals of a cube of side x in plane XOY and YOZ ,
is r→=Rcosαsinβiˆ+Rcosαcosβjˆ+Rsinαkˆ ,
respectively ,
Show that the position vector of a place on the surface of the earth with latitude and longitude α∘N and β∘E respectively ,
the components of vectors r = a × b are : ,
with respect to reference frame at the point of intersection of the vectors and sides of cube as the axes ,
If b and c are the intersecting face diagonals of a cube of side x in plane XOY and YOZ, respectively, with respect to reference frame at the point of intersection of the vectors and sides of cube as the axes, the components of vectors
23
Aug
If b and c are the intersecting face diagonals of a cube of side x in plane XOY and YOZ, respectively, with respect to reference frame at the point of intersection of the vectors and sides of cube as the axes, the components of vectors If a and b are the intersecting face diagonals of [...]
A spaceship is sent to investigate a planet of mass M and radius R. While hanging motionless in space at a distance 5R from the centre of the planet, the spaceship fires an instrument package of mass m, which is much smaller than the mass of the spaceship. The angle θ for which the package just grazes the surface of the planet is
23
Aug
A spaceship is sent to investigate a planet of mass M and radius R. While hanging motionless in space at a distance 5R from the centre of the planet, the spaceship fires an instrument package of mass m, which is much smaller than the mass of the spaceship. The angle θ for which the package [...]
Tags:
A spaceship is sent to investigate a planet of mass M and radius R. While hanging motionless in space at a distance 5R from the centre of the planet ,
the spaceship fires an instrument package of mass m ,
which is much smaller than the mass of the spaceship. The angle θ for which the package just grazes the surface of the planet is ,
Show that a.(b * c) is equal in magnitude to the volume of the parallelepiped formed on the vectors , a, b and c .
23
Aug
Show that a.(b * c) is equal in magnitude to the volume of the parallelepiped formed on the vectors , a, b and c . A) b and c`. Show that a.(b\times c) is equal in magnitude to the volume of the parallelepiped formed on the three vectors August 23, 2020 Category: Uncategorised (JEE Advanced [...]
A satellite close to earth is in orbit above the equator with a period of rotation of 1.5 hrs. If it is above a point P on the equator at some time, it will be above P again after time.
23
Aug
A satellite close to earth is in orbit above the equator with a period of rotation of 1.5 hrs. If it is above a point P on the equator at some time, it will be above P again after time. A satellite close to earth is in orbit above the equator with a period of [...]
show that if a.(b x c)=0, then a,b and c are coplanar
23
Aug
show that if a.(b x c)=0, then a,b and c are coplanar b and c are coplanar show that if a.(b x c)=0 then a August 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A massless string is wrapped around a hollow cylinder having mass m and radius r. The cylinder is kept on a rough horizontal surface (coefficient of friction is mu). A constant force F is applied as shown in the figure. In case of pure rolling, the friction force acting on the bottom most point of the cylinder is
23
Aug
A massless string is wrapped around a hollow cylinder having mass m and radius r. The cylinder is kept on a rough horizontal surface (coefficient of friction is mu). A constant force F is applied as shown in the figure. In case of pure rolling, the friction force acting on the bottom most point of [...]
When a car negotiates a curve, the normal force exerted on the inner and outer wheels are N_(2) and N_(1) respectively. Then N_(1)//N_(2) is
23
Aug
When a car negotiates a curve, the normal force exerted on the inner and outer wheels are N_(2) and N_(1) respectively. Then N_(1)//N_(2) is the normal force exerted on the inner and outer wheels are N_(2) and N_(1) respectively. Then N_(1)//N_(2) is When a car negotiates a curve August 23, 2020 Category: Uncategorised (JEE Advanced [...]
Prove by the method of vectors that in a triangle asinA=bsinB=csinC
23
Aug
Prove by the method of vectors that in a triangle asinA=bsinB=csinC Prove by the method of vectors that in a triangle asinA=bsinB=csinC August 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Let I be the moment of inertia, of a uniform square plate about an axis AB that passes through its center and is parallel to two of its sides. CD is a line in the plane of the plate that passes through the center of the plate and makes an angle θ with AB as shown in the figure. The moment of inertia of the plate about the axis CD is then equal to
23
Aug
Let I be the moment of inertia, of a uniform square plate about an axis AB that passes through its center and is parallel to two of its sides. CD is a line in the plane of the plate that passes through the center of the plate and makes an angle θ with AB as [...]