A Boy Kicks a Football from Ground Level with a Certain

question 56

Multiple Choice

A boy kicks a football from ground level with a certain initial velocity at an angle 30.0° above the horizontal. In 2.00 seconds the ball completes its trajectory and hits the ground. What is the initial velocity of the ball?

• A) 9.80 m/s
• B) 4.90 m/s
• C) 39.2 m/s
• D) 19.6 m/s
• E) 78.4 m/s

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