A Farmer moves along the boundary of a square field of side 10 m in 40 sec . What will be the magnitude of displacement at the end of 2 m 20 sec ?
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OpenStudy (anonymous):
what do you think???
OpenStudy (anonymous):
what?
OpenStudy (anonymous):
i mean. do you have any clue ? :P
OpenStudy (anonymous):
yes the answer is 5 but i don't know the steps :'(
OpenStudy (anonymous):
so he is moving along the corner.. just draw a square.. and trace it
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OpenStudy (anonymous):
is there no other way i mean is it a correct answer or not?
OpenStudy (midhun.madhu1987):
2 min 20 sec = 140 sec
In 40 sec, he travel 10 m
so in 80 sec, 20 km
in 120 sec = 30
in 140 sec = 35m
OpenStudy (anonymous):
@midhun.madhu1987 Then how the is the answer ''5''?
OpenStudy (midhun.madhu1987):
for 40 sec = 10 m
for 20 sec = 5 m
so total distance = 35 m and displacement = 5 m
OpenStudy (anonymous):
I didn't get U @midhun.madhu1987
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OpenStudy (anonymous):
@midhun.madhu1987 Thanks i get it
OpenStudy (midhun.madhu1987):
:)
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
Shruthi moves along a circular track of radius 7 m starting from point A.Find the displacement and distance when she reaches the point
a)At B
b)At C
c)At D
d)At A again?
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