The altitude of a cone is 20 cm and its ...

The altitude of a cone is 20 cm and its semi-vertical angle is `30^0` . If the semi-vertical angle is increasing at the rate of `2^0` per second, then the radius of the base is increasing at the rate of (a) 30 cm/sec (b) `160/3` cm/sec (c) 10 cm/sec (d) 160 cm/sec

AI Generated Solution

Similar Questions

Explore conceptually related problems

If the radius of a circle is increasing at the rate of 2 cm/ sec, then the area of the circle when its radius is 20 cm is increasing at the rate of

The surface area of a cube is increasing at the rate of 2 cm^(2)//sec . When its edge is 90 cm, the volume is increasing at the rate of

If the edge of a cube increases at the rate of 60 cm per second, at what rate the volume is increasing when the edge is 90 cm

The diameter of a circle is increasing at the rate of 1 cm/sec. When its radius is pi , the rate of increase of its area, is

An edge of a variable cube is increasing at the rate of 10cm/sec. How fast the volume of the cube is increasing when the edge is 5cm long?

An edge of a variable cube is increasing at the rate of 3cm per second. How fast is the volume of the cube increasing when the edge is 10cm long?

An edge of a variable cube is increasing at the rate of 3 cm per second. How fast is the volume of the cube increasing when the edge is 10 cm long?

If the radius of the circle is increasing at the rate of 0.5 cm/s , then the rate of increase of its circumference is ......

The side of an equilateral triangle is increasing at the rate of 2 cm/sec. At what rate its area increasing when the side of the triangle is 20 cm.