Question
A particle is fired with initial speed 30 m/s and lands
back at same horizontal level. If its horizontal range is equal to 4.5 times the vertical height reached, find the value of tan θ, where θ is angle of projection.Solution
Let the initial speed be u=30m/s and the angle of projection be θ. The horizontal range R is given by:
Pusa Deepali is a variety of:
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