Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects
-A projectile is launched from the origin at an angle of

\alpha

radians to the horizontal and an initial speed of $Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects -A projectile is launched from the origin at an angle of \alpha radians to the horizontal and an initial speed of Find the position function r(t) for this projectile. A) r(t) = ( 75t cos \alpha - 32 )i + ( 75t sin \alpha )j B) r(t) = ( 75t sin \alpha )i + ( 75t cos \alpha - 16 )j C) r(t) = ( 75t cos \alpha )i + ( 75t sin \alpha - 16 )j D) r(t) = ( 75t sin \alpha - 16 )i + ( 75t cos \alpha )j$ Find the position function r(t) for this projectile.
A) r(t) = ( 75t cos

\alpha

- 32 $Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects -A projectile is launched from the origin at an angle of \alpha radians to the horizontal and an initial speed of Find the position function r(t) for this projectile. A) r(t) = ( 75t cos \alpha - 32 )i + ( 75t sin \alpha )j B) r(t) = ( 75t sin \alpha )i + ( 75t cos \alpha - 16 )j C) r(t) = ( 75t cos \alpha )i + ( 75t sin \alpha - 16 )j D) r(t) = ( 75t sin \alpha - 16 )i + ( 75t cos \alpha )j$ )i + ( 75t sin

\alpha

)j
B) r(t) = ( 75t sin

\alpha

)i + ( 75t cos

\alpha

- 16 $Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects -A projectile is launched from the origin at an angle of \alpha radians to the horizontal and an initial speed of Find the position function r(t) for this projectile. A) r(t) = ( 75t cos \alpha - 32 )i + ( 75t sin \alpha )j B) r(t) = ( 75t sin \alpha )i + ( 75t cos \alpha - 16 )j C) r(t) = ( 75t cos \alpha )i + ( 75t sin \alpha - 16 )j D) r(t) = ( 75t sin \alpha - 16 )i + ( 75t cos \alpha )j$ )j
C) r(t) = ( 75t cos

\alpha

)i + ( 75t sin

\alpha

\alpha

\alpha

Find the Curvature of the Space Curve

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