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Displacement

A car goes 20...

Question

A car goes 20 km due north and then 15 km due west. What is the net displacement of the body?

35 km

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30 km

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25 km

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22.5 km

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Solution

The correct option is A 25 km
Car move, along north 20 Km and along west 15 Km.
Net displacement $=$ Minimum distance between initial and final position,
$d = \sqrt{15^{2} + 20^{2}} = 25 K m$

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