A body moves due East with velocity 20 km/hour and then due North with velocity 15 km/hour. The resultant velocity

5 km/hour

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15 km/hour

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20 km/hour

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25 km/hour

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Solution

The correct option is D
25 km/hour

Resultant velocity $= \sqrt{20^{2} + 15^{2}}$
$= \sqrt{400 + 225} = \sqrt{625} = 25 k m / h r$

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A body moves due East with velocity 20 km/hour and then due North with velocity 15 km/hour. The resultant velocity

The correct option is D 25 km/hour Resultant velocity =√202+152 =√400+225=√625=25km/hr

The correct option is D
25 km/hour

Resultant velocity $= \sqrt{20^{2} + 15^{2}}$
$= \sqrt{400 + 225} = \sqrt{625} = 25 k m / h r$