How the gravitational field at a point inside a solid sphere vary with distance x from its centre, if x < R and x > R (R-radius)?

What is the volume of a solid sphere of radius 2R?

What is the distance of the point P(2,3) from the x-axis?

From a point Q,the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm.The radius of the circle is a)7 cm b)12 cm c)15 cm d)24.5 cm

Find the points on the X- axis whose distance from the point (2, -3, 4) are 13 units.

Draw a circle with centre O and radius 4 cm . Take a point P outside the circle at a distance of 7 cm from its centre. Draw two tangents to the circle from the point P.

Find the equation to the locus of a point whose distance from the X-axis is double its distance from the Y-axis.

The length of a tangent drawn to a circle from a point which is a distance of 13 cm from tha centre of the circle is 12 cm.Find the radius of the circle.