Question

Referring to above question, the angle with the horizontal at which the projectile was projected is

• A. $ta{n}^{-1}\left(\frac{3}{4}\right)$
• B. $ta{n}^{-1}\left(\frac{4}{3}\right)$
• C. $si{n}^{-1}\left(\frac{3}{4}\right)$
• D. $Notobtainablefromthegivendata$

Answer 1

The correct option is B $ta{n}^{-1}\left(\frac{4}{3}\right)$

The angle of projection is given by $\theta =ta{n}^{-1}\left(\frac{v_y}{v_x}\right)=ta{n}^{-1}\left(\frac{4}{3}\right)$