# An aeroplane is moving with a velocity u. It drops a packet from height h. The time t taken by the packet in reaching the ground will be?

Velocity of aeroplane = u

Height above the ground = h

Let, time taken by the packet to reach the ground = T

We define

Vertical direction as Y axis

Horizontal direction as X axis

Velocity along y axis =

Velocity along x axis =

Total vertical height

Time taken to cover

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