A person of height 2mt starts from a lamp post of height 5 mt and walks away at the constant rate of 6 km per hour. The rate at which his shadow inceases is

A person of height 180 cm starts from a lamp post height 450 cm and walks at the constant rate of 4 km per hour. Find the rate at which his shadow increases.

A man of height 1.5 meters walks toward a lamp post of height 4.5 meters, at the rate of (3/4) meter/sec. Find the rate at which his shadow is shortening.

A man of height 2m walks directly away from a lamp of height 5 m on a level road at 3m//s . The rate at which the length of his shadow is increasing is

A man of height 1.5 meters walks toward a lamp post of height 4.5 meters, at the rate of (3/4) meter/sec. Find the rate at which the tip of the shadow is moving.

A man of 2 m height walks at a uniform speed of 6km/h away from a lamp post of 6m height. The rate at which the length of his shadow increases is

A source of light is hung h mts.,directly above a straight horizontal path on which a boy'a mts.in height is walking.If a boy walks at a rate of b mts/sec.from the light then the rate at which his shadow increases