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Standard XII

Physics

Relative Velocity in 2D

A train is mo...

Question

A train is moving with avelocity of $100$ km/hr in the north east direction If another train is moving with a velocity of $50$ km/hr in the

111.34km/h

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132.34km/h

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142.34km/h

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152.34km/h

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Solution

The correct option is A 111.34km/h
Velocity of car wrt passenger on train $= - 150 i + 50 j k m / h$
$| v | = \sqrt (100^{2} + 50^{2})$ $= 111.34 k m / h$
It will appear going north west at a speed $111.34 k m / h$

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A train is moving with avelocity of 100 km/hr in the north east direction If another train is moving with a velocity of 50 km/hr in the

The correct option is A 111.34km/hVelocity of car wrt passenger on train =−150i+50jkm/h|v|=√(1002+502) =111.34km/hIt will appear going north west at a speed 111.34km/h

A train is moving with avelocity of $100$ km/hr in the north east direction If another train is moving with a velocity of $50$ km/hr in the

The correct option is A 111.34km/h
Velocity of car wrt passenger on train $= - 150 i + 50 j k m / h$
$| v | = \sqrt (100^{2} + 50^{2})$ $= 111.34 k m / h$
It will appear going north west at a speed $111.34 k m / h$