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# HEADWINDS and TAILWINDS - PowerPoint PPT Presentation

HEADWINDS and TAILWINDS. The direction of a headwind is into the front of the plane. So a headwind the will cause the plane to slow down. A tailwind blows from behind the plane. It blows into the back, or tail, of the plane . This would cause the plane to speed up.

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Presentation Transcript
• The direction of a headwind is into the frontof the plane.
• So a headwind the will cause the plane to slow down.

A tailwind blows from behind the plane. It blows into the back, or tail, of the plane.

• This would cause the plane to speed up.

A plane is flying at 100 m/s when it experiences a tailwind of 15 m/s. What is the resultant speed?

• The plane’s resultant speed is 115 m/s.

A boy is riding his bike at 5 m/s when a gust of wind blows directly toward him at 2 m/s.

• Is this a headwind or a tailwind?
• What is his resultant speed?
Vectors and Scalars
• A vector is a quantity that has both magnitude and direction.
• Magnitude is a number or amount.

A scalar is a quantity that has only magnitude.

• Time does not have direction. It is a .
• Acceleration does have direction. It is a .