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A projectile is fired making an angle of 2theta with the horizontal witha velocity of 4m/s. At a particular instant it makes an angle of theta with the horizontal. What is the velocity at this instant?

A projectile is fired making an angle of 2theta with the horizontal witha velocity of 4m/s. At a particular instant it makes an angle of theta with the horizontal. What is the velocity at this instant?

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1 Answers

Kumar aditya
13 Points
5 years ago
4 cos(2theta)=v cos(theta), sice hor. Velocity always remains constant in a projectile motion unti some extra force is applied.
So, v=4cos(2theta)sec(theta)..

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