An aircraft flying at a steady velocity of 70 m/s eastwards at a height of 800 m drops a package of supplies. a) Express the initial velocity of the package as a vector

Explanation:

If unit vector towards east is represented by i in the present case ,

initial horizontal velocity of aircraft towards east is 70 m /s . The package dropped by the aircraft will also have same velocity while getting separated from the aircraft . Hence its velocity is represented by the vector ,

v = 70 i .

Its vertical velocity of package at that time will be zero so

v = 70 i + 0 j

= 70 i

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