A baseball is thrown from the roof of h = 23.4-m-tall building with an

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A baseball is thrown from the roof of h = 23.4-m-tall building with an initial velocity of magnitude 11.3 m/s and directed at an angle of 53.1∘ above the horizontal. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Energy in projectile motion. Part A What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. Express your answer in meters per second. Part B What is the answer for part (A) if the initial velocity is at an angle of 53.1∘ below the horizontal Express your answer in meters per second. v2 = m/s Submit Request Answer Part C If the effects of air resistance are included, will part (A) or (B) give the higher speed? The part (A) will give the higher speed. The part (B) will give the higher speed.

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A baseball is thrown from the roof of

h = 23.4 - m

-tall building with an initial velocity of magnitude

11.3 m / s

and directed at an angle of

{53.1}^{\circ}

above the horizontal.

For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Energy in projectile motion. Part A What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. Express your answer in meters per second.

Part B

What is the answer for part (A) if the initial velocity is at an angle of

{53.1}^{\circ}

below the horizontal

Express your answer in meters per second.

\begin{array}{l} v_{2} = \\ m / s \end{array}

Submit Request Answer Part C

If the effects of air resistance are included, will part (A) or (B) give the higher speed? The part (A) will give the higher speed. The part (B) will give the higher speed.