A Boy Kicks a Football from Ground Level with an Initial

question 52

Multiple Choice

A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30° above the horizontal. What is the vertical component of its velocity at the highest point of its trajectory?

• A) 0 m/s
• B) 9.8 m/s
• C) 19.6 m/s
• D) 4.9 m/s
• E) 17 m/s