During Football Practice, a Football Is Kicked with a Speed

question 9

Multiple Choice

During football practice, a football is kicked with a speed of 22 m/s at an angle of 60.0° relative to the positive x direction. At that instant, an observer rides past the football in a car that moves with a constant speed of 11 m/s in the positive x direction.
-Determine the initial velocity of the ball relative to the observer in the car.

• A)19 m/s in the +y direction
• B)11 m/s in the +y direction
• C)19 m/s at 60° to the +x direction
• D)33 m/s at 60° to the +x direction
• E)17 m/s at 60° to the +x direction

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