A rocket fired at $275 \mathrm{~m} / \mathrm{s}$ at $36^{\circ}$ angle of elevation is described by $x=\left(275 \cos 36^{\circ}\right) t$ and $y=\left(275 \sin 36^{\circ}\right) t-4.9 t^{2}$. Find the velocity (magnitude and direction) at $8 \mathrm{~s}$.

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The Answer of A rocket fired at $275 \mathrm{~m} / \mathrm{s}$ at $36^{\circ}$ angle of elevation is described by $x=\left(275 \cos 36^{\circ}\right) t$ and $y=\left(275 \sin 36^{\circ}\right) t-4.9 t^{2}$. Find the velocity (magnitude and direction) at $8 \mathrm{~s}$.

A Rocket Fired At 275 m/s275 \mathrm{~m} / \mathrm{s}275 m/s At 36∘36^{\circ}36∘ Angle of Elevation Is Described By

A Rocket Fired At $275 \mathrm{~m} / \mathrm{s}$ At $36^{\circ}$ Angle of Elevation Is Described By