Question

A particle of unit mass is projected with
velocity u at an Inclination a above the horizon
in a medium whose resistance is k times the
velocity. Its direction will again make an angle a
with the horizon after a time​

Answer 1

Answer:

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Answer 2

Answer:

Given that the initial velocity of the particle is U. The object is projected at an angle θ. Then the horizontal and vertical components of the initial velocity are,