An insect in your room of dimensions length breadth and height
are, 5m x 5m x 4m start traveling any one of corner of floor and went
to diagonally opposite corner of roof. Find the displacement and
distance covered by insect.
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An insect in your room of dimensions length breadth and height
are, 5m x 5m x 4m start traveling any one of corner of floor and went
to diagonally opposite corner of roof. Find the displacement and
distance covered by insect.
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Answer:
Explanation:
The displacement is given by
d^2=3^2+4^2+5^2=2*5^2=50
d=5*sqrt(2)=7.071… m
So 7 m to one significant figure.
The shortest path lies directly under this and goes down or up the corner wall then along the diagonal to the opposite corner. As such it depends on which corner it started in
eg
3+sqrt(4^2+5^2)=9.4 m
4+sqrt(3^2+5^2)=9.8 m
or
5+sqrt(3^2+4^2)=10 m.
Answer:
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