A baseball is hit with a speed of 27 m/s at an angle of 45.0 . It lands on the f

ID: 1589768 • Letter: A

Question

A baseball is hit with a speed of 27 m/s at an angle of 45.0 . It lands on the flat roof of a 13.0-m-tall nearby building.

Part A

If the ball was hit when it was 1.0 m above the ground, what horizontal distance does it travel before it lands on the building?

Express your answer using three significant figures and include the appropriate units.

A baseball is hit with a speed of 27 m/s at an angle of 45.0 . It lands on the flat roof of a 13.0-m-tall nearby building.

Part A

If the ball was hit when it was 1.0 m above the ground, what horizontal distance does it travel before it lands on the building?

Express your answer using three significant figures and include the appropriate units.

y-yo = vy*t - 1/2*gt^2

13-1 = 27*sin45*t - 1/2*9.8*t^2

12 = 19.09t - 4.9t^2

t = 3.1 s

R = vx*t

R = 27cos45 * 3.1 = 59.18 m

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