Question

8.
A person moves along the boundary of a square
park of side 10 min 40 s. What will be the
magnitude of displacement of the person at the
end of 3 minutes?. explain it​

Answer 1

Answer:

14.14 metres

Explanation:

Given :

Side of the square = 10 metres

Time taken to move around the square field = 40 seconds

To find :

Displacement of the person at the end of 3 minutes

3 Minutes = 180 seconds

1 round = 180/40 = 4.5 rounds

At 4.5 rounds the person will come to a point where the Displacement will be equal to the Hypotenuse of the right angled triangle

10²+10²=Hypotenuse²

100+100 = Hypotenuse²

200 = Hypotenuse²

14.14 metres