Question

9. Mathavan used the air filled rubber tube to move from one side of the pond to another end
of the pond. What is the principle held here!
10. At Malini's home in Madural, it takes 2 minutes to cook noodles. It takes 5 minutes
cook in her friend Nalinis' home at Kodaikanal. Why?
11. Ramu is trying to move a heavy stone across the ground. His father gave him )
rods to help him move it. Give reason​

Answer 1

Answer:

sorry I don't know answer please mark me Brainlist

Answer 2

Answer:

9. The rubber tube was filled with air the air helps to flot on water because it was light in weight.

10. Because temperature difference in each places