a room has dimensions 3m×4m×5m.A fly starting at one corner ends up at the diametrically opposite corner.what is the magnitude of displacement
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Answered by
1
Answer:
Figure shows the bold line whose length we have to calculate
Using 3D version of pythagoras
d
2
=a
2
+b
2
+c
2
d
2
=3
2
+4
2
+5
2
d
2
=9+16+25
d
2
=50
d=
50
d=5
2
m
Therefore the magnitute of the displacement of the fly is 5
2
m
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4
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✒️Your Question :-
➡️ a room has dimensions 3m×4m×5m.A fly starting at one corner ends up at the diametrically opposite corner.what is the magnitude of displacement.
____________________________
✒️ Answer :-
➡️ using the pythagoras
= d² = a² + b² + c²
= d² = 3² + 4² + 5²
= d² = 9 + 16 + 25
= d² = 50
= d = √50
= d = 5√2m
Therefore the magnitute of the displacement of the fly is 5√2m
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➡️ hope this helps you ❗️❗️
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