You are Tanvi of Rosewood Colony, Sagar Nagar. You have recently observed that people waste a lot of food in hotels, at marriages, and parties. You are upset at the casual attitude of people towards wastage of food.
Write a letter to the editor of a national daily expressing your concern and suggesting ways to improve the situation. Use the given points along with your own ideas to compose this letter.
Problems:
Suggestions:

A ladder of fixed length \( h \) is to be placed along the wall such that it is free to move along the height of the wall.
Based upon the above information, answer the following questions:
(iii) (b) If the foot of the ladder, whose length is 5 m, is being pulled towards the wall such that the rate of decrease of distance \( y \) is \( 2 \, \text{m/s} \), then at what rate is the height on the wall \( x \) increasing when the foot of the ladder is 3 m away from the wall?