4. 2D Kinematics
Acceleration in 2D
Multiple Choice
Multiple ChoiceA football at rest is kicked by a football kicker. The ball is in contact with the kicker's foot for 0.050s, during which it experiences an acceleration a = 340 m/s2. The ball is launched at an angle of 40° above the ground (x-axis). Calculate the horizontal and vertical components of the launch velocity.
A
13 m/s horizontal; 10.9 m/s vertical
B
130 m/s horizontal; 109 m/s vertical
C
10.9 m/s horizontal; 13 m/s vertical
D
17 m/s horizontal; 17 m/s vertical
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