A ball has the dimensions $10 m \times 12 m \times 14 m$ . A fly starting at one corner ends up of a diametrically opposite corner. What is the magnitude of its displacement.

17 m

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26 m

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36 m

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21 m

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Solution

The correct option is D 21 m
Given,
$l = 10 m$
$b = 12 m$
$h = 14 m$
The magnitude of displacement, $d = \sqrt{l^{2} + b^{2} + h^{2}}$
$d = \sqrt{(10)^{2} + (12)^{2} + (14)^{2}} = \sqrt{440}$
$d = 21 m$
The correct option is D.

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A ball has the dimensions 10m×12m×14m. A fly starting at one corner ends up of a diametrically opposite corner. What is the magnitude of its displacement.

The correct option is D 21 mGiven,l=10mb=12mh=14mThe magnitude of displacement, d=√l2+b2+h2d=√(10)2+(12)2+(14)2=√440d=21mThe correct option is D.

A ball has the dimensions $10 m \times 12 m \times 14 m$ . A fly starting at one corner ends up of a diametrically opposite corner. What is the magnitude of its displacement.

The correct option is D 21 m
Given,
$l = 10 m$
$b = 12 m$
$h = 14 m$
The magnitude of displacement, $d = \sqrt{l^{2} + b^{2} + h^{2}}$
$d = \sqrt{(10)^{2} + (12)^{2} + (14)^{2}} = \sqrt{440}$
$d = 21 m$
The correct option is D.