# An aeroplane is moving with horizontal velocity 𝑢 at height ℎ. The velocity of a packet dropped from it on the earth’s surface will be (𝑔 is acceleration due to gravity)

Question : An aeroplane is moving with horizontal velocity 𝑢 at height ℎ. The velocity of a packet dropped from it on the earth’s surface will be (𝑔 is acceleration due to gravity)

(A) $\sqrt{u^{2}+2gh}$

(B) $\sqrt{2gh}$

(C) 2gh

(D) $\sqrt{u^{2}-2gh}$

Answer : option (A)

Solution :

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