A point source of light along a straight road is at a height of 'a' metres. A boy 'b' metres in height is walking along the road. How fast is his shadow increasing if he is walking away from the light at the rate of 'c' metres per minute ?

A point source of light is hung 30 feet directly above a straight horizontal path on which a man of 6 feet in height is walking.How fast is the man's shadow lengthening and how fast the tip of shadow is moving when he is walking away from the light at the rate of 100 ft/min.

A man 180 cm tall walks at a rate of 2m/sec. away, from a source of light that is 9 m above the ground. How fast is the length of his shadow increasing when he is 3 m away from the base of light?

A man 180 cm tall walks at a rate of 2m/sec. away, from a source of light that is 9 m above the ground. How fast is the length of his shadow increasing when he is 3 m away from the base of light?

A man 160cm tall,walks away from a source of light situated at the top of a pole 6m high at the rate of 1.1m/sec. How fast is the length of his shadow increasing when he is 1metre away from the pole.

A man 160 cm tall, walks away from a source of light situated at the top of a pole 6 m high, at the rate of 1.1 m/sec. How fast is the length of his shadow increasing when he is 1 m away from the pole?

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

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 increasese.

A man 160 cm tall, walks away from a source of light situated at the top of a pole 6m high at the rate of 1.1 m/sec. How fast is the length of his shadow increasing when he is 1 metre away from the pole.

A man 1.6m high walks at the rate of 30 metre per minute away from a lamp which is 4m above ground.How fast does the mans shadow lengthen ?