A Boy Kicks a Football from Ground Level with an Initial

question 37

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 distance to the point where the football hits the ground if we neglect air resistance?

• A)20 m
• B)35 m
• C)18 m
• D)60 m
• E)30.0 m

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Definitions:

Primary Motor Area

is a region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Cerebellum

A part of the brain that regulates motor movements, coordination, balance, and posture.

Sleep-Wake Cycle

The circadian rhythm that regulates periods of sleepiness and wakefulness over a 24-hour period.

Coordination

The ability to use different parts of the body smoothly and efficiently together or to organize activities harmoniously.