Question

A water sprinkler in a lawn sprays water
as far as 7m
in all directions. Find the
length of the outer edge of wet grass. .​

Answer 1

Answer:

Length of the outer edge of wet grass(Perimeter) =2πr=2×722×7 m=44 m.

Step-by-step explanation:

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Answer 2

Answer:

It is based on the Newton's third law of motion. As soon as the water comes out from the nozzle of the sprinkler, an equal and opposite reaction force acts on the nozzle. Due to this reaction force, the sprinkler starts rotating.