headwinds and tailwinds n.
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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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headwinds and tailwinds
HEADWINDS and TAILWINDS
  • The direction of a headwind is into the frontof the plane.
  • So a headwind the will cause the plane to slow down.
slide2

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.
slide3

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.
slide4

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
Vectors and Scalars
  • A vector is a quantity that has both magnitude and direction.
  • Magnitude is a number or amount.
slide8

A scalar is a quantity that has only magnitude.

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