A Boy Kicks a Football from Ground Level with an Initial

question 6

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 horizontal component of its velocity at the highest point of its trajectory?

• A) 9.8 m/s
• B) 17 m/s
• C) 4.9 m/s
• D) 8.7 m/s
• E) 0 m/s

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Definitions:

Tint

A slight or faint shade of color or a small amount of a particular color added to something.

Ounces

A measure of mass in the avoirdupois system, equivalent to 1/16th of a pound or about 28.35 grams.

Square Feet

A unit of area measurement equal to a square measuring one foot on each side.

Oil Painting

A technique of painting with pigments that are bound with a medium of drying oil, often linseed oil, which creates a lustrous texture and depth of color.