An aeroplane is flying with a uniform speed of $150$ km $h^{- 1}$ along the circumference of a circle. The change in its velocity in half the revolution (in km $h^{- 1}$ ) is:

150

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100

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200

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300

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50

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Solution

The correct option is D $300$
Change in velocity = final velocity - initial velocity
$△ v =_{2} -_{1}$
$△ v = 150 - (- 150) = 300 k m / h$

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An aeroplane is flying with a uniform speed of 150km h−1 along the circumference of a circle. The change in its velocity in half the revolution (in km h−1) is:

The correct option is D 300Change in velocity = final velocity - initial velocity△v=→v2−→v1△v=150−(−150)=300 km/h

An aeroplane is flying with a uniform speed of $150$ km $h^{- 1}$ along the circumference of a circle. The change in its velocity in half the revolution (in km $h^{- 1}$ ) is:

The correct option is D $300$
Change in velocity = final velocity - initial velocity
$△ v =_{2} -_{1}$
$△ v = 150 - (- 150) = 300 k m / h$