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A mosquito net over a 7ftxx4ft bed is 3 ...

A mosquito net over a `7ftxx4ft` bed is 3 ft high. The net has a hole at one corner of the bed through which diagonally opposite upper corner of the net. (A) Find the magnitude of the displaceent of the mosquito. (B) Taking the hole as the origin, the length of the bed as the X-axis, its width as the Y-axis, and vertically up as the Z-axis, write the components of the displacement vector.

A

`sqrt54` ft

B

8ft

C

`sqrt74` ft

D

`sqrt64` ft

Text Solution

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The correct Answer is:
C
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