A ring,10 cm in diameter, is suspended from a point 12cm above its centre by 6 equal strings attached to its circumference at equal intervals. Find the cosine of the angle between consecutive strings.

A circular ring of radius 5 cm is suspended horizontally from a point 12 cm vertically above its centre by 6 strings attached to its circumference at equal intervals. The cosine of the angle between two consecutive ring is

A circular ring of radius 3cm hangs horizontally from a point 4 cm vertically above the centre by 4 strings attached at equal intervals to its circumference. If the angle between two consecutive strings be theta , then costheta is equal to (A) 4/5 (B) 4/(25) (C) (16)/(25) (D) none of these

A circular ring of radius 3cm hangs horizontally form a point 4cm vertically above the centre by 4 strings attached at equal intervals to its circumference. If the angle between two consecutive strings be theta , then costheta is equal to 4/5 (b) 4/(25) (d) (16)/(25) (d) none of these

Find the angle theta whose cosine is equal to its tangent.

The circumference of the base of a cylinder is 44 cm. Find its diameter.

A ring of the radius r is suspended from a point on its circumference. If the ring is made to oscillate in the plane of the figure, then the angular frequency of these small oscillations is

Two identical pith balls, each carrying charge q, are suspended from a common point by two strings of equal length l. Find the mass of each ball if the angle between the strings is 2theta in equilibrium.

A ring of radius r is suspended from a point on its circumference. Determine its angular frequency of small oscillations.

A ring of radius r is suspended from a point on its circumference. Determine its angular frequency of small oscillations.

The diameter of a circle is 28 cm. Find its : circumference