Home
Class 10
MATHS
A lamp is 3.3 m be the lamp post and CD=...

A lamp is 3.3 m be the lamp post and CD= 110 cm tall walks away from the base of this lamp post at a speed of 0.8 m/s. find the length of the shadow of boy after 4 seconds.

Text Solution

AI Generated Solution

To solve the problem step by step, we will follow these instructions: ### Step 1: Convert the height of the boy from centimeters to meters The height of the boy is given as 110 cm. To convert this to meters: \[ \text{Height of the boy (CD)} = \frac{110 \text{ cm}}{100} = 1.1 \text{ m} \] ...
Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    NAGEEN PRAKASHAN|Exercise Problems From NCERT/ Exemplar|14 Videos
  • TRIANGLES

    NAGEEN PRAKASHAN|Exercise Exercise 6a|23 Videos
  • STATISTICS

    NAGEEN PRAKASHAN|Exercise Revision Exercise Long Answer Questions|5 Videos
  • VOLUME AND SURFACE AREA OF SOLIDS

    NAGEEN PRAKASHAN|Exercise Revisions Exercise Long Answer Questions|5 Videos

Similar Questions

Explore conceptually related problems

A lamb is 3.3 m above the ground. A boy 110 cm tall walks away from the base of this lamp at a speed of 0.8 m/s. Find the length of the shadow of the boy after 4 second.

A girl of height 100 cm is walking away from the base of a lamp post at a speed of 1.9 m/s . If the lamp is 5 m above the ground , find the length of her shadow after 4 seconds (in metres )

A girl of height 90cm is walking away from the base of a lamp-post at a speed of 1.2m/s . If the lamp is 3.6m above the ground,find the length of her shadow after 4 seconds.

A man 2 metres tall walks away from a lamp post 5 metres height at the rate of 4.8 km/hr. The rate of increase of the length of his shadow, is

A boy 1.5m tall standing from a lamp at a distance of 3m. The lamp casts a shadow of 4.5m. Find the height of the lamp.

A man 1.5m tall walks away from a lamp post 4.5m high at a rate of 4km/hr .(i) How fast is his shadow lengthening?

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 who is 1.6 m tall walks away from a lamp which is 4 m above ground at the rate of 30 m/min. How fast is the man's shadow lengthening?

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.