A farmer moves along the boundary of a square field of side 10 m in 40s what will be the magnitude of displacement at end of 2 minutes 20 seconds from his intial position
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Given:-
square field of size = 10 m
time taken = 40 sec
total time taken = 2 min 20 sec = 20*2=140 sec
distance covered = ?
in 140 sec the farmer covers 3 and a half round
DRAW A ROUGH SQUARE AN LABLE "O A B C "
OB = √OA² + √AB²
= √10² + √10²
= √100 + √100
= √200
= 2√100
= 14.1 M
square field of size = 10 m
time taken = 40 sec
total time taken = 2 min 20 sec = 20*2=140 sec
distance covered = ?
in 140 sec the farmer covers 3 and a half round
DRAW A ROUGH SQUARE AN LABLE "O A B C "
OB = √OA² + √AB²
= √10² + √10²
= √100 + √100
= √200
= 2√100
= 14.1 M
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